Adoption and Impacts of Sustainable Agricultural Practices on Maize Yields and Incomes: Evidence from Rural Zambia

This paper uses a multinomial endogenous treatment effects model and data from a sample of over 800 households and 3,000 plots to assess the determinants and impacts of adoption of sustainable agricultural practices (SAPs) on maize yields and household incomes in rural Zambia. Results show that adop...

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Bibliographic Details
Published in:Journal of agricultural economics 2016-02, Vol.67 (1), p.130-153
Main Authors: Manda, Julius, Alene, Arega D., Gardebroek, Cornelis, Kassie, Menale, Tembo, Gelson
Format: Article
Language:English
Subjects:
Agrarische Economie en Plattelandsbeleid
Agricultural Economics and Rural Policy
Agricultural Economics and Rural Policy Group
Agricultural management
Agricultural production
Incomes
Leerstoelgroep Agrarische economie en plattelandsbeleid
maize yields
multinomial endogenous treatment effects
sustainable agricultural practices
Zambia
Zea mays
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Summary:This paper uses a multinomial endogenous treatment effects model and data from a sample of over 800 households and 3,000 plots to assess the determinants and impacts of adoption of sustainable agricultural practices (SAPs) on maize yields and household incomes in rural Zambia. Results show that adoption decisions are driven by household and plot level characteristics and that the adoption of a combination of SAPs raises both maize yields and incomes of smallholder farmers. Adoption of improved maize alone has greater impacts on maize yields, but given the high cost of inorganic fertiliser that limits the profitability of adoption of improved maize, greater household incomes are associated rather with a package involving SAPs such as maize–legume rotation and residue retention.
ISSN:0021-857X
1477-9552
DOI:10.1111/1477-9552.12127