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Andrew Reid Bell
Department of Environmental Studies, New York University, New York, NY 10003, USA

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Journal article
Published: 10 January 2018 in Water
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Adoption of the trinity of practices known commonly today as conservation agriculture (CA)—maintaining soil cover, reducing tillage, and enhancing soil nitrogen through legumes—is a critical process to the management of erosion in rural landscapes, and maintenance of aquatic habitats and hydropower potential. However, the large literature on the benefits and risks of CA fails to find any universal determinants of adoption, with competing uses for crop residues, availability of labor, and access to physical inputs common constraints appearing in different contexts. We conduct a study in the specific context of Malawi, using ethnographic interviewing to draw out possible decision criteria and machine learning to identify their explanatory power. This study is structured to inform the question: “How do farmers decide to adopt the specific activities of CA in Malawi?” We find that more than any other factor, adoption by neighbors (i.e., peer effects) matters, with possible implications for the overall cost of encouraging CA (e.g., through subsidies) as it is taken up across a landscape. Further, we note that little else within our household survey (save for more detailed articulation of neighbor and neighborhood characteristics) offers greater explanatory power than those factors identified by farmers themselves. Finally, we note that decisions made in the presence of an incentive are structurally different than those made without incentives, validating previous concerns in the literature regarding the basis most CA adoption studies, within CA promotion interventions.

ACS Style

Andrew Reid Bell; Jennifer Zavaleta Cheek; Frazer Mataya; Patrick S. Ward. Do As They Did: Peer Effects Explain Adoption of Conservation Agriculture in Malawi. Water 2018, 10, 51 .

AMA Style

Andrew Reid Bell, Jennifer Zavaleta Cheek, Frazer Mataya, Patrick S. Ward. Do As They Did: Peer Effects Explain Adoption of Conservation Agriculture in Malawi. Water. 2018; 10 (1):51.

Chicago/Turabian Style

Andrew Reid Bell; Jennifer Zavaleta Cheek; Frazer Mataya; Patrick S. Ward. 2018. "Do As They Did: Peer Effects Explain Adoption of Conservation Agriculture in Malawi." Water 10, no. 1: 51.