Agricultural Non-point Source Pollution Control …import/Hua Chunlin...Agricultural Non-point...
Transcript of Agricultural Non-point Source Pollution Control …import/Hua Chunlin...Agricultural Non-point...
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Agricultural Non-point Source Pollution
Control Program in China: Analysis on
Farmers' Participation BehaviorFarmers' Participation Behavior
Chunlin Hua, Qian Lu, Richard Woodward
Northwest A&F University, Texas A&M University
Funded by program “Economic analysis on controlling agricultural
NPS pollution in western China”
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Introduction
Total Agricultural Nitrogen
Load
Planting
Total Nitrogen Load in
China’s Water
Agricultural
Nitrogen
Source: the First Report of National Pollution Investigation in 2010 by
Ministry of Environmental Protection, National Bureau of Statistics, and
Ministry of Agriculture of the People’s Republic of China
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Livestock
and poultry
breedingAquaculture
Nitrogen
Load
others
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Structure
• Motivated by the China-UK program
• Provide an overview, and participation rates of
the program
• Evaluate the key factors affecting farmers’ • Evaluate the key factors affecting farmers’
participation in the program
• Propose suggestion to improve the
participation rates
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Literature Review
• Farmers’ participation in extension program
- Satisfaction of the participants, confidence of the participants,
provision of training (Salam et al., 2005; Jackson-Smith and
McEvoy’s, 2011).
- Age, education, income, land area (Fang and Kong,2005; Yu - Age, education, income, land area (Fang and Kong,2005; Yu
and Zhang, 2009; Li, 2011; Gao, 2011)
- Distance, access to information of training, awareness of the
extension program, (Fang and Kong,2005; Chen et al, 2011;
Gao, 2011)
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Background of the China-UK Program
• Improving livelihoods on farms by reducing non-
point N pollution through improved nutrient
management
• Funded by the UK’s Foreign and Commonwealth Funded by the UK’s Foreign and Commonwealth
Office and by China’s Ministry of Agriculture
• From January 2007 to December 2009
• Led by Dr. Tong Yanan from Northwest A&F
University in China and Dr. David Powlson from
Rothamsted Research in UK
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Location of China-UK Program
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Objectives of the China-UK Program
•To provide information to poor farmers
about rational fertilizer management
•To reduce fertilizer application rates•To reduce fertilizer application rates
•To increase crop yields and economic returns
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Components of the China-UK Program
1) Assessment of farmer and community perceptions
2) Collection and analysis of relevant data
3) Farm based experiments
4) Information delivery system
5) Analysis of Delivery System
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Results of farm based experiments
Village Fertilizer
input
(before)
Fertilizer
input
(after)
Fertilizer
changes
Usual
yield
New
Yield
Yield
Changes
wheat
Village 1 194 123 -70 6754 6939 +185
Village 2 197 179 -18 6437 6554 +117wheat
Village 3 140 118 -22 6422 6383 -39
Total average 177 140 -36.7 6537.7 6625.3 +87.7
maize
Village 1 212 44 -167 5054 5262 +208
Village 2 228 73 -155 4619 4918 +298
Village 3 234 74 -160 5249 5510 +261
Total average 224.67 63.67 -160.7 4974 5230 +255.7
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Unit: kg/ha
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Income changes of the farm based
experiment
Village Fertilizer
changes
Input
cost
changes
Yield
Changes
Yield
profit
change
Total
profit
changes
Unit Kg/ha Yuan/ha Kg/ha Yuan/ha Yuan/haUnit Kg/ha Yuan/ha Kg/ha Yuan/ha Yuan/ha
wheat
Village 1 -70 -306 +185 +332 +639
Village 2 -18 -79 +117 +221 +290
Village 3 -22 -96 -39 -70 +26
Total average -36.7 -160.3 87.7 161 +318.3
maize
Village 1 -167 -728 +208 +312 +1040
Village 2 -155 -674 +298 +447 +1121
Village 3 -160 -694 +261 +392 +1086
Total average -160.7 -698.7 255.7 383.7 +1082.3
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Information delivery system
• Farm Field School
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Information delivery systems
• Demonstration zone & Farmers Viewing
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Information delivery systems
• Farmer Meeting
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Information delivery systems
• Farmer to farmer training
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Information delivery systems
• poster, leaflet
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Survey in this paper
• 331 face-to-face surveys
• May to July, 2011
• Nine villages
• Trained graduate students• Trained graduate students
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Farmers’ participation
componentsParticipation
number percent
N input
(kg/ha)
Farmer Field School 19 5.7% 275.7
Demonstration Zone 24 7.3% 391.8
Farmer Meeting 21 6.3% 301.3
Farmer to Farmer Training 30 9.1% 336.2
Poster and Leaflet 17 5.1% 246.3
None 263 79.5% 308.6
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Farmers’ participation
participation
number percent
N input
(Kg/ha)
0 component 263 79.5% 308.6
1 component 38 17.8% 308.11 component 308.1
2 components 22 12.7% 382.4
3 components 5 3.6% 265.8
4 components 1 1.5% 211.1
5 components 2 1.5% 181.4
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Variables Description
Variables Mean Std. Dev
Personal Characteristics
Gender (1=male, 0=female) 0.53 0.50
Age (actual age) 50.85 13.15Age (actual age) 50.85 13.15
Education (1=high school or above, 0=others) 0.19 0.39
Farming Experience (years) 27.74 13.54
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Variables Description
Variables Mean Std. Dev
Planting Characteristics
Farming income ratio (%) 0.68 0.25
Farm labor ratio (%) 0.53 0.28Farm labor ratio (%) 0.53 0.28
Area(1=less than 0.13ha; 2=0.14-0.26ha; 3= 0.27-0.4ha;
4=0.41-0.53ha; 5=0.54-0.67ha; 6=0.68 and above)
2.68 1.56
Using machine (1=yes,0=no) 0.90 0.29
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Variables DescriptionVariables Mean Std. Dev
Awareness Of (1=yes,0=no)
Agricultural NPS pollution 0.38 0.49
Environmental protection policies 0.44 0.50
Sustainable agriculture policies 0.27 0.44Sustainable agriculture policies 0.27 0.44
Social capital (1=yes,0=no)
Getting fertilizer information from friends or
relatives0.35 0.48
Farming methods affected by others 0.47 0.50
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Variables DescriptionVariables Mean Std. Dev
Fertilizer Policies (1=yes,0=no)
Awareness of training class 0.12 0.32
0.09 0.29Experience of training classes 0.09 0.29
Support of laws to restrict the amount of
fertilizer0.80 0.40
Support of applying tax on the
agricultural NPS pollution0.63 0.48
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Probit ResultsVarables Coefficient Marginal Effects
(constant) -4.407** ---
Gender -0.524* -11.46%
Education 0.736** 19.69%
Farming income ratio 1.111* 6.7%
Awareness of sustainable
agriculture0.629* 15.49%
agriculture0.629* 15.49%
Getting fertilizer information
from friends or relatives-0.593** -11.64%
Awareness of training class 0.987* 29.76%
Experience of training classes
for fertilizer using.1.195** 38.11%
Support the law to restrict
the amount of fertilizer.0.849** 13.64%
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Conclusion
• Key factors affecting farmer participation:
– Education
– Training experiences
• Future research:
– Evaluate the China-UK program’s effects (matching)
– Which components are most effective in delivering
information about rational fertilizer management.
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Thank you!
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