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  5. Assessing the impact of farmer field schools on fertiliser use in China
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Impact evaluations
3ie Impact Evaluation Report 25

Assessing the impact of farmer field schools on fertiliser use in China

3ie Impact Evaluation Report 25

Nicholas Burger, Mary Fu, Kun Gu, Xiangping Jia, Krishna B Kumar and Guo Mingliang

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In China, a major agricultural challenge is the inefficient use of fertilizer and the environmental effects associated with overuse. The Chinese Ministry of Agriculture is trying to address this problem by instituting farmer field schools (FFS). Existing studies suggest that insufficient farmer knowledge and information about the effects of excessive fertilizer use is one reason for inefficient rates of nitrogen fertilizer application in China. 

This study by Nicholas Burger, Mary Fu, Kun Gu, Xiangping Jia, Krishna B Kumar and Guo Mingliang evaluates the effectiveness of FFS training in reducing fertilizer use for rice and tomato crops in two provinces. Overall, the study concludes that the FFS programme improved the optimal use of fertilizer for rice farmers, but had insignificant effects for tomato growers. 

Creating informed demand and impacts through innovative and cost-effective extension

Creating informed demand and impacts through innovative and cost-effective extension

Impact evaluation 3ie 2025  
The authors of this report summarize findings by using a randomized extensive treatment on clients’ understanding of index-based livestock insurance and its impacts.

Economic and empowerment impacts of millet processing and value-addition enterprises by women SHGs in tribal areas of Odisha, India (E²IMPART)

Economic and empowerment impacts of millet processing and value-addition enterprises by women SHGs in tribal areas of Odisha, India (E²IMPART)

Impact evaluation 3ie 2025  
The authors of this report present the findings on the economic and empowerment impacts of millet processing and value-addition enterprises by women SHGs in tribal areas of Odisha, India.

KhetScore: Impacts of using digital technologies to unlock credit and insurance for marginal farmers in Odisha

KhetScore: Impacts of using digital technologies to unlock credit and insurance for marginal farmers in Odisha

Impact evaluation 3ie 2025  
This report describes the findings of an impact evaluation of KhetScore, an innovative tool that employs digital technologies to unlock credit and insurance for small and marginal farmers in the state of Odisha, India.

Picture-based crop insurance: A randomized controlled trial evaluating the impacts of using smartphone camera data for claims verification in India

Picture-based crop insurance: A randomized controlled trial evaluating the impacts of using smartphone camera data for claims verification in India

Impact evaluation 3ie 2025  
The authors of this report summarize the findings from an impact evaluation of a crop insurance scheme called picture-based crop insurance in the state of Haryana, India.

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The effects of providing paid formal work and training on women’s empowerment: Evidence from weavers’ collectives in India

Impact evaluation 3ie 2025  
This report presents the results of a process evaluation of interventions aimed at weaver communities in Andhra Pradesh and Telangana implemented by the Chitrika Foundation.

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  • DOI : 10.23846/ow31216

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