agriculture
Review
A Global Review of Farmers’ Perceptions of
Agricultural Risks and Risk Management Strategies
Thi Tam Duong 1,* , Tom Brewer 2, Jo Luck 3 and Kerstin Zander 1
1 Northern Institute, Charles Darwin University, Darwin, NT 0909, Australia; [email protected]
2 Australian National Centre for Ocean Resources and Security (ANCORS), University of Wollongong,
Wollongong, NSW 2522, Australia; [email protected]
3 Plant Biosecurity Research Initiative, Horticulture Innovation, 606 St Kilda Road,
Melbourne, VIC 3004, Australia; [email protected]
* Correspondence: [email protected]; Tel.: +61-8-8946-6131
Received: 12 December 2018; Accepted: 28 December 2018; Published: 4 January 2019
Abstract: Farmers around the world face and manage a wide range of enterprise-related risks. These
risks are increasing due to a range of factors including globalisation, increased trade in agricultural
products, and climate change, jeopardising agricultural enterprises and forcing farmers to adjust
their production and management strategies. Here we present results of a systematic literature
review, following PRISMA protocol, of farmers’ perceptions of, and responses to, agricultural
risks. Using data reduction method (factor analysis) and descriptive statistics, we analysed 197
studies and found that weather-related risk (55%), biosecurity threats (48%), and human risk (35%)
are the significant risks perceived by farmers for their agricultural enterprises. Diversification of
crop and animal production (28%) and pests and diseases monitoring and prevention (20%) were
the preferred agricultural risk management strategies employed by farmers. Few studies have
investigated socio-economic factors that explain risk perceptions (18%) or factors that influence how
farmers manage agricultural risks (11%). The main barriers to successfully managing agricultural risks
were limited access to information and formal low-interest loan systems, especially in developing
countries. We identified a mismatch between perceived risk sources and risk management strategies,
highlighting a need to improve understanding of why particular management responses are
employed to address the various risks. This review suggests areas for future research to improve
understanding of the perceptions of risks held by farmers, and to support efforts to manage and
reduce these risks.
Keywords: review; risk sources; factor analysis; risk management strategies; perceptions
1. Introduction
Agricultural enterprise has always been at risk from factors such as pest and disease attack,
uncontrollable weather events and market variability [1–3]. Many risks are now being exacerbated by
global environmental, social, and economic change, including continued human population growth,
limited arable land, land degradation, and climate change [4–6]. Agricultural risks come from different
sources and are experienced to differing degrees across different geographic and political scales.
Sources of agricultural risks have previously been classified into price or market risk (output and input
price fluctuation, market shocks), financial risk (loans and credits), production risk (weather-related
risk, pests and diseases (biosecurity threats), technology change, yields), institutional risk (regulations,
legal, environment and tax policy), and human resource risk (physical and mental health) [7,8].
Farmers’ management response to risks is influenced by their perceptions of the risk concerned [9].
Based on how they perceive risks, farmers implement a wide range of strategies to limit the impacts of
Agriculture 2019, 9, 10; doi:10.3390/agriculture9010010 www.mdpi.com/journal/agriculture
Agriculture 2019, 9, 10 2 of 16
agricultural risks [1,10–12]. Farmers employ strategies including informal mechanisms at the farm
level (crop and animal diversification and advanced technology applications) to formal mechanisms
like insurance and contracting [13].
With different socio-economic backgrounds (age, education, culture, religion, farming practice,
income, peer pressure, and community values) farmers’ have different risk perceptions, resulting in
different economic behaviours and decision-making [14,15], including response to risks. Farmer-level
choices to adopt management strategies and successfully manage risks have been shown to be limited
by many factors, including the absence of transparent information, limited institutional support,
and lack of capital [16,17]. To enable improved institutional support relating to risk management,
it is, therefore, essential to understand farmers’ risk perceptions, the socio-economic factors that
influence risk perceptions and likely response to risks, and the barriers to implementing management
strategies [5,18–21]. For example, in recent years, research has investigated how farmers perceive
agricultural risks, and how farmers respond to particular perceived risks [2,22], factors affecting
farmers’ perception and strategies [23–25], and barriers to risk management [26]. Those studies
primarily focus on individual cases on crops and animals, ranging from developing countries [27] to
developed countries [5] spanning Asia [28], Africa [29], and Europe [30].
While the existing literature has begun to tie these various concepts together in case studies, there
has not, to date, been a systematic review of how these concepts are related, in the context of agricultural
risks. The aims of this study are, therefore, to review the existing literature to identify (1) the major
sources of agricultural risks perceived by farmers, (2) common risk management strategies employed by
farmers, (3) linkages between risk sources and risk management strategies, (4) socio-economic factors
that affect farmers’ perceptions and management strategies, and (5) the barriers to the management of
agricultural risks.
2. Materials and Methods
To address the research aims a systematic review of literature published in international
peer-reviewed journals was undertaken using the Preferred Reporting Items for Systematic Reviews
and Meta-Analyses (PRISMA) protocol (see Moher et al. [31]).
2.1. Eligibility Criteria
Articles were included in this review, if they discussed (i) risk sources perceived by farmers or
management strategies, (ii) farmers’ management strategies, (iii) socio-economic factors affecting risk
sources perceived by farmers or management strategies, (iv) any general barriers farmers perceived
when operating farming enterprises, and (v) were written in English and peer-reviewed. Quantitative
as well as qualitative studies were included, and no matter of the source of the data. Studies relating
to farmers but not related to their perceptions towards agricultural risk sources, their management
strategies, or factors affecting their perceptions were excluded (such as if they focused on agricultural
conservation, sustainable agriculture, energy, or biomass). With the aim to achieve homogeneous
data, it was assumed that farmers worked at a particular farm, so it was decided not to include the
keywords herders and pastoralists in the search strategies.
2.2. Search Strategy
The keywords (agricultur* OR farm*) AND (perception OR perceive*) AND risk* were used to search
titles, abstracts and keywords in Scopus to obtain articles published prior to 9 December 2017. It was
decided not to set a start date so that search results could be able to capture any available studies prior
to 9 December 2017. Asterisks were used to capture possible derivations of words. After filtering for
English and peer-reviewed items, 2506 articles were obtained. The search was also conducted on Web
of Science and Google Scholar and found an additional 124 and 66 articles, respectively. Of all 2696
articles, 94 duplicates were removed, leaving 2602 articles for title and abstract screening to confirm
they fulfilled the inclusion criteria. The titles of each study were then screened using the keywords (risk
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perception* OR risk management OR risk sources OR perceived risks) AND (animal OR crop) OR (farmers
OR growers OR producers OR agriculture) resulting in the exclusion of 2081 articles. This process was
conducted through a period of three months by the lead author. The remaining 521 full-text articles
were then screened, and 324 articles were excluded as they did not meet the eligibility criteria. Studies
discussing farmers’ perceptions and management of biodiversity and natural resources, forestry and
aquaculture were not included for further analysis. A remaining 197 articles were eligible for the
review; 81 discussing farmers’ perceptions on agricultural risk sources; 23 investigating farmers’ risk
management strategies, and 93 focusing on both those topics (Figure 1 and Table S1).
Agriculture 2019, 8, x FOR PEER REVIEW 3 of 16
screened using the keywords (risk perception* OR risk management OR risk sources OR perceived risks)
AND (animal OR crop) OR (farmers OR growers OR producers OR agriculture) resulting in the exclusion
of 2081 articles. This process was conducted through a period of three months by the lead author.
The remaining 521 full-text articles were then screened, and 324 articles were excluded as they did
not meet the eligibility criteria. Studies discussing farmers’ perceptions and management of
biodiversity and natural resources, forestry and aquaculture were not included for further analysis.
A remaining 197 articles were eligible for the review; 81 discussing farmers’ perceptions on
agricultural risk sources; 23 investigating farmers’ risk management strategies, and 93 focusing on
both those topics (Figure 1 and Table S1).
Figure 1. PRISMA review.
2.3. Categorisation
The reviewed literature was categorised into seven categories of risk. Five of the categories are
widely used: output price and market risk, financial risk, production risk, institutional risk, and
human risk [7,8,32,33]. Market risk includes input and output price fluctuation and any market
shocks. Financial risk consists of loans, interest rates, and relates to the financing of farms.
Production risk mainly originates from unpredictable weather events, pest and disease attack
(biosecurity), yield loss, and technological risk. Institutional risk comprises unfavourable
government-enforced changes in policy, rules, tax, and regulations. Human risk is associated with
the farm owners or farmers, in the event of death and sickness, which may result in the loss of profit
or the sustainability of the farming business.
Production risk is the significant risk source [34], as agricultural production and food security
have been increasingly influenced by climate change and pests and diseases [35–38]. Thus, further
distinctions were made by breaking down production risk into a sixth category, weather and climate
Articles identified through
search on Scopus (n = 2506)
Articles identified from search on
other sources (n = 190)
Articles duplicate articles removed
(n = 94)
Articles for screening (n = 2602)
Articles for full text screening (n =
521)
197 articles met required criteria for
further analysis
Included Eligibility Screening
Articles excluded
(n = 2081)
Articles excluded
(n = 324)
Identification
Figure 1. PRISMA review.
2.3. Categorisation
The reviewed literature was categorised into seven categories of risk. Five of the categories are
widely used: output price and market risk, financial risk, production risk, institutional risk, and
human risk [7,8,32,33]. Market risk includes input and output price fluctuation and any market shocks.
Financial risk consists of loans, interest rates, and relates to the financing of farms. Production risk
mainly originates from unpredictable weather events, pest and disease attack (biosecurity), yield loss,
and technological risk. Institutional risk comprises unfavourable government-enforced changes in
policy, rules, tax, and regulations. Human risk is associated with the farm owners or farmers, in
the event of death and sickness, which may result in the loss of profit or the sustainability of the
farming business.
Production risk is the significant risk source [34], as agricultural production and food security
have been increasingly influenced by climate change and pests and diseases [35–38]. Thus, further
distinctions were made by breaking down production risk into a sixth category, weather and climate
change risk, which is often part of weather-related risk, and a seventh category, biosecurity threats (such
Agriculture 2019, 9, 10 4 of 16
as pest and disease outbreak, invasive species). Following the categorisations of the World Bank [13]
and Hay [39], technological risk was a main risk within production risk and thus could be categorised
as one group of risk. There were, therefore, a total of seven categories of risk sources.
2.4. Data Analysis
Firstly, to explore the nature and trend of risk sources and risk management strategies, the data
were analysed using descriptive statistics and Factor Analysis with Kaiser Mayer Olkin normalisation
and Varimax rotation [40]. Statistical tests were performed with SPSS (Version 25, IBM, New York, NY,
USA). Secondly, to uncover linkages between particular risks and risk management strategies, factor
analysis was used along with Spearman’s Rank Correlation analysis. Thirdly, the factors affecting
farmers’ perceptions of risk sources, risk management strategies, and barriers to managing agricultural
risks were summarised based on the aggregated data from descriptive statistics.
3. Results
3.1. Snapshot of Selected Studies
The number of studies on farmers’ perceptions of agricultural risks and their management
strategies has increased notably over time, particularly from 2010, onwards (Figure 2).
Agriculture 2019, 8, x FOR PEER REVIEW 4 of 16
change risk, which is often part of weather-related risk, and a seventh category, biosecurity threats
(such as pest and disease outbreak, invasive species). Following the categorisations of the World
Bank [13] and Hay [39], technological risk was a main risk within production risk and thus could be
categorised as one group of risk. There were, therefore, a total of seven categories of risk sources.
2.4. Data Analysis
Firstly, to explore the nature and trend of risk sources and risk management strategies, the data
were analysed using descriptive statistics and Factor Analysis with Kaiser Mayer Olkin
normalisation and Varimax rotation [40]. Statistical tests were performed with SPSS (Version 25,
IBM, New York, NY, USA). Secondly, to uncover linkages between particular risks and risk
management strategies, factor analysis was used along with Spearman’s Rank Correlation analysis.
Thirdly, the factors affecting farmers’ perceptions of risk sources, risk management strategies, and
barriers to managing agricultural risks were summarised based on the aggregated data from
descriptive statistics.
3. Results
3.1. Snapshot of Selected Studies
The number of studies on farmers’ perceptions of agricultural risks and their management
strategies has increased notably over time, particularly from 2010, onwards (Figure 2).
Figure 2. Number of articles on farmers’ perception of risk sources and risk management strategies
over the period 1985–2017s (n = 197). Numbers above bars are the number of articles.
Studies were predominantly conducted in Asia (29%), followed by America (25%), Europe
(22%), Africa (19.5%), and Oceania (4.5%). More than half of the studies (54%) explored agricultural
risks in the crop sector, while there were 27% in the animal sector, and 19% in mixed production
sectors (both crop and animal). Based on the classification of the United Nations (2014), 57% of the
studies were conducted in developing countries. Surprisingly, of the obtained 197 studies, there was
no study conducted across both developing and developed countries. Of the studies, 41% (81
studies) only dealt with farmers’ agricultural risk perceptions, 12% (23 studies) only with risk
management, and 43% (93 studies) focused on both perceptions of agricultural risks and
2
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1985 1987 1995 1996 1997 1998 2001 2002 2003 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017
Number of articles
Year
Number of Articles
Figure 2. Number of articles on farmers’ perception of risk sources and risk management strategies
over the period 1985–2017s (n = 197). Numbers above bars are the number of articles.
Studies were predominantly conducted in Asia (29%), followed by America (25%), Europe (22%),
Africa (19.5%), and Oceania (4.5%). More than half of the studies (54%) explored agricultural risks
in the crop sector, while there were 27% in the animal sector, and 19% in mixed production sectors
(both crop and animal). Based on the classification of the United Nations (2014), 57% of the studies
were conducted in developing countries. Surprisingly, of the obtained 197 studies, there was no study
conducted across both developing and developed countries. Of the studies, 41% (81 studies) only dealt
with farmers’ agricultural risk perceptions, 12% (23 studies) only with risk management, and 43% (93
studies) focused on both perceptions of agricultural risks and management responses to agricultural
risks. Findings showed that all studies in this review presented results from analysing primary data.
Agriculture 2019, 9, 10 5 of 16
3.2. Agricultural Risk Perceived by Farmers
In general, more than half (55%) of the studies reported that farmers perceived weather and
climate change as the main risk to their farm enterprises, followed by biosecurity threats (48%), human
risk (35%), and market risk (27%), while technology was least frequently mentioned (Figure 3). Weather
risk, human risk, and biosecurity threats were the most frequently cited risks by the farmers in the crop
sector. In the animal sector, biosecurity threats, weather risk, and human risk are the most frequently
cited. In the mixed production sector (crop and animal), the most cited risks in studies were weather
risk, biosecurity threats, and market risk (Figure 4).
Agriculture 2019, 8, x FOR PEER REVIEW 5 of 16
management responses to agricultural risks. Findings showed that all studies in this review
presented results from analysing primary data.
3.2. Agricultural Risk Perceived by Farmers
In general, more than half (55%) of the studies reported that farmers perceived weather and
climate change as the main risk to their farm enterprises, followed by biosecurity threats (48%),
human risk (35%), and market risk (27%), while technology was least frequently mentioned (Figure
3). Weather risk, human risk, and biosecurity threats were the most frequently cited risks by the
farmers in the crop sector. In the animal sector, biosecurity threats, weather risk, and human risk are
the most frequently cited. In the mixed production sector (crop and animal), the most cited risks in
studies were weather risk, biosecurity threats, and market risk (Figure 4).
Figure 3. Distribution of agricultural risk sources as identified in the review (n = 174). Numbers
above bars are the number of articles studying risks.
Figure 4. Distribution of agricultural risk sources across three sectors (n = 174). Numbers above bars
are the number of articles discussing risk sources across sectors.
108
94
68
53
31 30
18
0%
10%
20%
30%
40%
50%
60%
Weather
related
Biosecurity Human Market Financial Institutional Technology
% of articles
Risk sources
Agricultural risk sources
63
38
26
10 11
40
4
14
38
10
9
8
13
7
31
18
17
11 12
15
7
0%
5%
10%
15%
20%
25%
30%
35%
Weather Biosecurity Human Market Financial Institutional Technology
% of articles
Risk sources
Agricultural risk sources across sectors
Crop
Animal
Mixed
Figure 3. Distribution of agricultural risk sources as identified in the review (n = 174). Numbers above
bars are the number of articles studying risks.
Agriculture 2019, 8, x FOR PEER REVIEW 5 of 16
management responses to agricultural risks. Findings showed that all studies in this review
presented results from analysing primary data.
3.2. Agricultural Risk Perceived by Farmers
In general, more than half (55%) of the studies reported that farmers perceived weather and
climate change as the main risk to their farm enterprises, followed by biosecurity threats (48%),
human risk (35%), and market risk (27%), while technology was least frequently mentioned (Figure
3). Weather risk, human risk, and biosecurity threats were the most frequently cited risks by the
farmers in the crop sector. In the animal sector, biosecurity threats, weather risk, and human risk are
the most frequently cited. In the mixed production sector (crop and animal), the most cited risks in
studies were weather risk, biosecurity threats, and market risk (Figure 4).
Figure 3. Distribution of agricultural risk sources as identified in the review (n = 174). Numbers
above bars are the number of articles studying risks.
Figure 4. Distribution of agricultural risk sources across three sectors (n = 174). Numbers above bars
are the number of articles discussing risk sources across sectors.
108
94
68
53
31 30
18
0%
10%
20%
30%
40%
50%
60%
Weather
related
Biosecurity Human Market Financial Institutional Technology
% of articles
Risk sources
Agricultural risk sources
63
38
26
10 11
40
4
14
38
10
9
8
13
7
31
18
17
11 12
15
7
0%
5%
10%
15%
20%
25%
30%
35%
Weather Biosecurity Human Market Financial Institutional Technology
% of articles
Risk sources
Agricultural risk sources across sectors
Crop
Animal
Mixed
Figure 4. Distribution of agricultural risk sources across three sectors (n = 174). Numbers above bars
are the number of articles discussing risk sources across sectors.
Agriculture 2019, 9, 10 6 of 16
There were notable differences in farmers’ perceptions of risk source between studies in
developing countries and developed countries. Weather-related risk, biosecurity threats, and human
risk were mostly cited in developing countries while in developed countries biosecurity threats was
the most cited, followed by weather-related risk and human risk (Table 1).
Table 1. Number of studies citing risk sources perceived by farmers in developed and developing
countries (n = 197).
Countries Developing (n1 = 112) Developed (n2 = 85)
Weather related n = 75 67% n = 33 39%
Biosecurity n = 48 43% n = 46 54%
Human n = 41 37% n = 27 32%
Market n = 30 27% n = 23 27%
Financial n = 16 14% n = 15 18%
Institutional n = 10 9% n = 20 24%
Technology n = 8 7% n = 10 12%
Factor analysis of perceived risks explained 77.52% of the total variance across three components
(Table 2). The factor model had a Kaiser Mayer Olkin measure of 0.780 and a Bartlett’s Test of Sphericity
of (p < 0.001). The first component, labelled direct risks to production, was the most strongly comprised
of “human risk”, “market risk”, “financial risk”, “institutional risk” and “technology risk”. The second
and third components were comprised of weather and biosecurity, respectively.
Table 2. Results of factor analysis on farmer’s perceptions of agricultural risk sources (n = 174) (Varimax
rotated, Coefficient values ≥0.5 in bold).
Risk Sources Direct Risks to Production Weather Biosecurity
Human 0.655 –0.489 –0.389
Market 0.775 0.135 0.225
Financial 0.823 0.092 0.185
Institutional 0.812 0.119 0.168
Technology 0.826 0.016 0.056
Weather 0.212 0.928 –0.104
Biosecurity 0.282 –0.087 0.909
Factor interpretation (% variance
explained) 47.07% 16.46% 13.98%
3.3. Risk Management Strategies Adopted by Farmers
Twelve risk management strategies were constructed based on the most relevant strategies
discussed in the reviewed studies. More than a quarter of the studies (28%) found that farmers
considered “crop and animal diversification” to be an effective risk management strategy (Table 3).
“Pests and diseases monitoring and prevention” was adopted by farmers in 40 studies. “Off-farm
work” (14%) and obtaining “farm insurance” (13%) were the third and fourth most frequently stated
management strategies. “Cooperation with other farmers”, “extension services” and “training and
education” were less frequently stated (Table 3).
Agriculture 2019, 9, 10 7 of 16
Table 3. Frequencies of risk management strategies taken by farmers across reviewed literature
(n = 116). Note, many articles described more than one risk strategy.
Risk Management Strategies Number %
Crop and animal diversification 56 28
Pests and diseases monitoring and prevention 40 20
Off-farm work 27 14
Farm insurance 25 13
Off-farm investment 20 10
Debt reduction 19 10
New technology adoption 13 7
Produce at the lowest costs 11 6
Extension services 9 5
Cooperation with other farmers 8 4
Update with government 8 4
Training and education 2 1
Factor analysis of management strategies resulted in three components (factors) explaining
58.87% of the total variance (Table 4). The factor model had a Kaiser Mayer Olkin measure of 0.784,
and the Bartlett’s Test of Sphericity was significant (p < 0.001). In the first component, the risk
management strategies with the highest loadings were “crop and animal diversification”, “pests and
diseases monitoring and prevention”, “off-farm work”, “farm insurance”, “off-farm investment”,
“debt reduction”, “produce at the lowest costs”, and “cooperation with other farmers”. The first
component was labelled as on-farm and financial strategies. The second component, knowledge support,
had high loadings for three variables “extension services”, “update with government”, and “training
and education”. The last component, productivity solutions” included “crop and animal diversification”
and “new technology adoption”.
Table 4. Results of factor analysis on management strategies used by farmers (n = 116) (Varimax rotated;
Coefficient values ≥0.45 in bold).
Risk Management Strategies On-Farm and Financial
Strategies Knowledge Support Productivity Solutions
Pests/diseases monitoring and prevention 0.463 0.178 –0.523
Off-farm work 0.591 0.238 0.245
Farm insurance 0.729 0.143 0.137
Off-farm investment 0.786 0.214 0.016
Debt reduction 0.808 0.028 0.082
Produce at the lowest costs 0.730 –0.019 –0.161
Cooperation with other farmers 0.593 0.007 0.001
Crop and animal diversification 0.615 0.096 0.519
New technology adoption 0.172 0.135 0.752
Update with government 0.105 0.747 0.166
Training and education –0.089 0.880 0.061
Extension services 0.365 0.672 –0.186
Factor interpretation (% variance explained) 31.75% 16.40% 10.72%
3.4. The Linkage between Perceived Risk Sources and Management
A factor analysis was performed on 93 studies (47%) that explored both risk sources and risk
management strategies, resulting in six components explaining 71.32% of the total variance (Table 5).
The factor model had a Kaiser Mayer Olkin measure of 0.793, and the Bartlett’s Test of Sphericity was
significant (p < 0.001). The first component, direct risks and financial strategies, included six risk sources:
“human”, “market”, “input”, “financial”, “policy” and “technology”; with four risk management
strategies: “farm insurance”, “off-farm investment”, “debt reduction”, and “produce at the lowest
costs”. The second component, weather and strategies, comprised “weather” risk clustered with three
management strategies “crop and animal diversification”, “off-farm investment”, and “off-farm work”.
The third component, knowledge support consisted of three risk management strategies “extension
services”, “update with government”, and “training and education”. The fourth component was
Agriculture 2019, 9, 10 8 of 16
named biosecurity and strategies as it comprised one risk source, “biosecurity”, and one risk management
strategy, “pests and diseases monitoring and prevention”. The fifth and sixth components consist of
two risk management strategies, “new technology adoption” and “cooperation with other farmers”,
which were named technical solution and external relationship respectively.
Table 5. Results of factor analysis of studies combining risk perception and risk management (n = 93).
(Varimax rotated; Coefficient values ≥0.45 in bold).
Risk Sources and Risk
Management Strategies
Direct Risks and
Financial
Strategies
Weather and
Strategies
External
Support
Biosecurity
and
Strategies
Technical
Solution
External
Relationship
Human 0.794 –0.048 0.127 0.004 0.019 –0.162
Market 0.682 0.228 0.046 0.318 0.375 –0.019
Financial 0.778 0.135 –0.025 0.180 0.142 0.211
Institutional 0.747 0.246 0.113 0.234 0.071 0.075
Technology 0.808 0.116 0.049 0.087 –0.116 0.205
Debt reduction 0.645 0.435 0.012 –0.049 –0.091 0.317
Produce at the lowest costs 0.679 –0.122 –0.015 0.071 0.003 0.431
Farm insurance 0.478 0.384 0.077 0.269 0.095 0.225
Off-farm investment 0.596 0.461 0.191 0.149 –0.114 0.162
Weather –0.057 0.703 0.033 –0.210 0.409 0.142
Crop and animal diversification 0.341 0.471 0.011 –0.088 0.433 0.264
Off-farm work 0.281 0.770 0.145 0.240 –0.117 –0.107
Update with government 0.290 0.100 0.777 –0.127 0.106 –0.126
Training and education –0.097 –0.003 0.899 0.027 0.113 –0.027
Extension services 0.110 0.171 0.653 0.237 –0.158 0.405
Biosecurity 0.181 0.128 –0.033 0.859 0.137 –0.042
Pests and diseases monitoring and
prevention 0.293 –0.218 0.113 0.592 –0.341 0.255
New technology adoption 0.033 0.023 0.109 0.055 0.862 0.060
Cooperation with other farmers 0.241 0.117 –0.008 0.029 0.138 0.818
Factor interpretation (% variance
explained) 25.53% 11.24% 10.34% 8.28% 8.02% 7.91%
Ten out of the 93 studies (11%) concluded that there was a mismatch between farmers’ perceptions
of risks sources and their risk management strategies addressing the risks accordingly. This was
confirmed by the results of Spearman’s rank correlation coefficient. This test showed that some
of the risk sources were not correlated with risk management strategies. Varying association
between risk sources and risk management strategies were found (Table S2). There existed moderate
agreements between “technology risk” and “produce at the lowest costs” (r2 = 0.65; p-value 0.01);
“institutional risk” and “off-farm investment” (r2 = 0.62; p-value 0.05), “debt reduction” (r2 = 0.62;
p-value 0.01), “farm-insurance” (r2 = 0.55, p-value 0.01); “weather risk” and “crop and animal
diversification” (r2 = –0.42, p-value 0.01); and “biosecurity threats” and “pests and diseases monitoring
and prevention” (r2 = 0.31; p-value 0.01).
3.5. Socio-Economic Factors Affecting Farmers’ Perceptions of Agricultural Risks
Thirty-five studies (18%) mentioned potential socio-economic factors determining farmers’
perceptions of agricultural risks (Table S3). Factors included educational levels, farmers’ age, gender,
farm size, experience in farming, farm income, and farm location.
3.6. Socio-Economic Factors Affecting Farmers’ Choices of Risk Management Strategies
Only 21 studies (11%) investigated factors affecting farmers’ adoption of risk management
strategies. These studies, collectively, mentioned some factors including educational levels, farm
size, experience in farming, farm location, farm ownership, gender, and annual farm income (Table S4).
3.7. Barriers to the Management of Agricultural Risks
Twenty-two out of 197 studies (11%) explored barriers to the management of agricultural risks
(Table S5). Lack of information helping farmers control agricultural risks was mentioned in 15 studies,
mostly in developing countries. Poor access to formal, low risk, and regulated financing was found
Agriculture 2019, 9, 10 9 of 16
to hinder farmers’ ability to manage their farming enterprises, as discussed in 10 studies. Limited
institutional support and lack of market mechanisms (access and input supplies) were additional
barriers encountered by farmers.
4. Discussion
4.1. Perceptions of Risk Sources
Our systematic literature review of research dealing with farmers’ perceptions of agricultural
risks and their management yielded 197 studies for detailed analysis. We categorised agricultural risks
into seven types based on and combined with the various existing risk categorisations. Agricultural
production heavily depends on demand and market price, and market risk was considered the most
significant risk [8]. Surprisingly, in this review, market risk was more frequently mentioned than risk
relating to weather and climate (55% of articles). Biosecurity threats were the second most frequently
perceived risk across the reviewed studies, highlighting the emerging significance of biosecurity
threats among all agricultural risks, which is corroborated by the observed increasing importance of
biosecurity management [41].
Human risk was mentioned in 35% of the studies, mostly in regard to human health (pesticide
usage, some farmers’ diseases). This was also expected as farming activities depend on physical
labour, particularly in developing countries where humans are a pivotal asset to agricultural
production [42]. Of the reviewed studies, 15% reported that farmers increasingly express concern
about institutional risk, as changes to government policies can affect the viability and sustainability of
farming enterprises [11,12].
The factor analysis identified three main clusters of risks, of which we classify direct risks
to production as the first category. The second and third categories encompass weather risk and
biosecurity threats. This demonstrates that farmers conceptualise risks associated with biosecurity
and weather-related risks, such as climatic change, separately to other identified risk types. One reason
why weather risk and biosecurity threats seem to be considered separately might be because farmers
treated them as intrinsic features of farming production cycles rather than direct risks such as market
risk and financial risk. Based on the intrinsic features of the two risks, if weather risk were grouped
with biosecurity threats, it could improve future risk management because farmers with inadequate
adaptive capacity are likely to be highly vulnerable to climate risks, especially smallholders or farmers
in developing countries [43,44]. For instance, coupling pest and disease distribution predictions with
climate predictions could reduce risks more efficiently than if both risks were managed separately.
The risk group of “human”, “market”, “institutional”, “technology”, and “financial” are direct risks
to production and mostly occur as a consequence of farm-level decision-making and actions. Farmers
need to gather information and make decisions themselves to manage those risks at the farm level,
with decisions varying among farmers. Among the five risks in the group, market risk and institutional
risk may be correlated because they are viewed as both expected and, as such, beyond the direct
control of farmers. For example, any policy relating to agriculture such as environmental regulations,
food safety, or business regulations will affect production [45], but the avenues by which farmers can
influence such policy are at the best convoluted and insurmountable at worst.
4.2. Risk Management Strategies
Risk management strategies varied across studies. The most commonly selected strategies
were to diversify production sectors to minimise risk [46,47], pursue off-farm work, or purchase
insurance [48,49]. In most studies it was found that farmers were not likely to adopt new technologies
although adopting innovative practices is pivotal to foster agricultural production sustainably [50]
and efficiently [51].
The factor analysis identified that “training and education” and “extension services” correlated
with “update with government”, which may indicate that training and extension services from relevant
Agriculture 2019, 9, 10 10 of 16
government bodies are generally well received by farmers. Farmers’ participation in training has been
shown to increase net income and higher yield [52]. Some training programs which were initiated by
the government delivered a positive outcome for farmers [53]. The other clusters of risk management
strategies are “productivity strategies” and “financial strategies”.
4.3. The Linkage between Risk Sources and Risk Management Strategies
Risk perception can affect economic behaviour, and thus the decision to adopt a specific risk
management strategy [54]. Many studies have demonstrated that risk perception and risk management
strategies are understood and analysed on a case-by-case basis [55–58], so it is essential to explore
potential mismatch between risk sources and management and the reasons why farmers select
particular strategies over others. The mismatch between perceived risks and risk management
strategies was identified by the authors of 11% of 197 studies (10 studies).
The factor analysis found some correlations and patterns between risk sources and risk
management strategies. Firstly, the “direct risks and financial incentives” group includes the risks
(market, financial, human, institutional, and technology), and those risks are mainly matched with
financial strategies (farm insurance, debt reduction, produce at the lowest cost). On the one hand, those
strategies were seen as effective in tackling the volatility of output and input prices, and unfavourable
changes in the financial market, but were not relevant in tackling “human risk.” Secondly, facing
weather risk, farmers have a range of strategies to diversify their income (off-farm investment, off-farm
work, crop and animal diversification), while when facing biosecurity threats, they tend to rely on
only “pests and diseases monitoring and prevention”. Maybe the weather has always been an issue,
and farmers learned constantly adapt to changes in weather and climate, but biosecurity might be
too new, a potential knowledge gap. Thirdly, another cluster of risk management was identified as
“knowledge support” which included training, education, extension services, and updates from the
government. This suggests the primary role of government in supporting farmers with more training
and extension services, as highlighted by Fielke and Bardsley [59]. The two last risk strategies “new
technology adoption” and “cooperation with other farmers” were not associated with any risk sources.
“Technology risk” and “new technology adoption” did not load highly on the same factor. Farmers
that claimed to experience changes in technology did not consider new technology instalment as a
strategy to address that particular risk. Besides, farmers do not appear to adopt new technology as a
response to risk. “Technology risk” was clustered with “crop and animal diversification”, possibly
signifying that farmers used technology to boost productivity [60] rather than to address inherent risk.
This could indicate that technology adaptation could be related to a long-term planning rather than
being reactive to a specific risk. “Cooperation with other farmers” was not associated with any specific
agricultural risks, which may indicate farmers’ interaction with other farmers for purposes such as
networking and social events, rather than to tackle specific risks.
4.4. Socio-Economic Factors Affecting Farmers’ Risk Perceptions and Management of Risks
Few studies have investigated the socioeconomic factors influencing farmers’ risk perceptions.
Perceptions of risk can differ between male and female farmers [61–63], as female farmers were more
concerned about the critical roles of education and extension service in farming [64]. Education has
been positively related to personal risk, farm business risk, and off-farm income [61,65–67]. Results
show mixed findings between the age of farmers and risk perceptions. In South Africa, older farmers
were more worried about the possible shortage of farm labour than younger farmers [61]. According to
Borges and Machado [67], however, age did not significantly affect farmers’ risk perceptions in Brazil.
Some studies reported that farmers who managed larger farms were primarily concerned with
production risks [64,68,69]. The geographic location of farms had a substantial impact on farmers’ risk
perceptions [2,70,71], for instance, Norwegian farmers in areas with convenient transport tended to
pay more attention to production risk than other risks when compared to farmers at more remote
locations [11].
Agriculture 2019, 9, 10 11 of 16
Despite weather-related risk and biosecurity threats being frequently mentioned in the 197 studies,
factors affecting farmers’ perceptions on weather-related risks have been extensively investigated,
but factors influencing farmers’ biosecurity risk perception have been sparsely studied. Driven
and motivated by the trend and impact of climate change on agriculture, weather-related risk has
received enormous interest from researchers and farmers alike [72]. Fewer studies (21) focused on the
socio-economic factors affecting farmers’ risk management strategies. Education levels, farm size, and
farmers’ experience in farming were found to have a significant impact on how farmers perceive and
adopt risk management strategies [27,67,73].
As socio-economic factors play essential roles in risk perception and risk management
strategies [18,74], more theoretical and empirical work should be done to explore the potential factors
affecting farmers’ risk perception and risk management.
4.5. Barriers to the Management of Agricultural Risks
The results of this review reveal a range of barriers to managing agricultural risks. However, most
research on barriers to managing agricultural risks has presented results from case studies in large
agricultural enterprises in developed economies [75,76] and in small-scale agriculture in developing
countries [2,77].
A lack of institutional support from the government was identified as a significant barrier to
managing agricultural risks in both developing and developed countries. For example, in Nigeria,
Baruwa, Masuku, and Alimi [78] a lack of a lack of marketing training and support from the
government for plantain farmers was identified. Similarly, Indian farmers aiming to adopt organic
farming practices encountered institutional problems and a lack of support from the government in
acquiring new methods to control pests and diseases and accessing new markets [79]. The need for
better institutional support from developed countries has been confirmed [17].
Poor and smallholder farmers are particularly vulnerable to agricultural risks [2,80] and have
difficulty adopting new technologies and crop types due to inadequate technical knowledge, lack
of funds, and limitations to their production technology [81]. Financial and technical support from
reliable sources is often inadequate [29,78]. For instance, smallholder farmers in Ethiopia, Madagascar,
and Pakistan have reported failure in accessing formal financial services [29,58,64].
5. Research Gaps, Implications and Limitations
This review has revealed a number of research gaps. Firstly, there is an apparent discrepancy
between the frequency that risks are mentioned by farmers and the volume of research on
socio-economic factors that explain the perception of risks. For example, despite biosecurity being
the second most cited risk, there is very little knowledge on the factors driving biosecurity risk
perception. In addition, no studies identified in the review covered both developing countries and
developed countries, highlighting the opportunity for studies that explore risk across large gradients
of development. The paucity of studies on education was highlighted, which points out the need for
available training and extension services for farmers. This is most likely because the studies were not
published in refereed journals and the number of articles may increase by expanding this review to
unpublished literature.
Moreover, there is a need to understand why there is a mismatch between farmers’ perceived
agricultural risk sources and risk management strategies. A better understanding of why management
strategies that appear to be a suitable response to particular risks are not employed might highlight
further barriers to agricultural risk management, which, if overcome, could enhance the productivity
of agricultural systems. Finally, surprisingly few studies take a comprehensive view of the factors that
determine farmers’ risk perceptions (18%) and their risk management strategies (11%).
The clusters of risk sources described in this review could be used as a basis for further research
exploring why risks cluster, why farmers perceive certain risks as more threatening than others, and
how this clustering affects farmers’ management strategies. Finally, addressing the knowledge gap
Agriculture 2019, 9, 10 12 of 16
on socio-economic contextual factors that influence farmers’ risk perceptions and decisions about
management strategies could enable government programs to better target farmers who are more
likely to be amenable to particular programs.
While unlikely to have influenced the conclusions, there were some limitations to this study.
Firstly, grey literature was not included, limiting the sample size and diversity. We have no reason to
believe, however, that the grey literature would have differed markedly from peer review literature in
terms of scope and subject matter. Secondly, the analysis in this review was conducted at the article
level, so it did not include details that might have emerged from the raw data, including farmer-level
data, across the reviewed studies. Research is therefore required to capture the full diversity of farmers’
opinions and their perceptions of specific risk sources and risk management strategies.
6. Conclusions
Risks associated with agriculture are increasingly diverse, complex, and interconnected.
Consequently, there is a pressing need to gain a greater understanding of the nexus of agricultural
risks, how farmers respond to risk, factors affecting their perceptions and management of risk, and
barriers hindering the way they manage risks to ensure stable livelihoods and global food security.
Here, we have reviewed the literature within this intellectual space, shedding light on what is known
and what still needs to be known. We also revealed some interesting anomalies and points of interest
including the absence of studies across large developmental gradients, the small disproportionality
volume of research on biosecurity risk management strategies and socioeconomic factors associated
with biosecurity threats, the apparent mismatch between perceived risks and management responses,
and the clustering of risks and risk management strategies. A better understanding of farmers’ risk
perceptions and risk management strategies, factors affecting their perceptions and management,
and the barriers to their risk management could enable more collaborative solutions to managing
future risks.
Supplementary Materials: The following are available online at http://www.mdpi.com/2077-0472/9/1/10/s1.
Table S1: List of 197 studies included in the review, Table S2: Spearman tests between market risks and risk
management strategies, Table S3: Socio-economic factors affecting farmers’ perception of agricultural risk sources
(n = 35), Table S4: Socio-economic factors affecting farmers’ perception of agricultural risk management strategies
(n = 21), Table S5: Barriers affecting farmers’ management of agricultural risk sources (n = 22).
Author Contributions: Conceptualization: T.T.D., K.Z., T.B.; Methodology: T.T.D.; Software: T.T.D.; Validation:
T.T.D., K.Z., T.B., J.L.; Formal analysis: T.T.D.; Investigation: T.T.D.; Resources: T.T.D.; Data curation: T.T.D.;
Writing—Original draft preparation: T.T.D.; Writing—Review and editing: T.T.D., K.Z., T.B., J.L.; Visualization:
T.T.D.; Supervision: K.Z., T.B., J.L.; Project administration: T.T.D.
Funding: This research was funded by Plant Biosecurity Cooperative Research Centre Australia and Charles
Darwin University, Australia.
Acknowledgments: This work has been supported by Plant Biosecurity Cooperative Research Centre Australia
and Charles Darwin University, Australia. We thank Jeremy Garnett for his editing this manuscript.
Conflicts of Interest: None of the authors have any financial, personal or any other relationships that may lead to
a potential conflict of interests.
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