This paper investigates the reasons for the low application of external fertilizers on farms in Kenya and Uganda. The analysis uses a large panel of household data with rich soil fertility data at the plot level. The authors control for maize seed selection and household effects by using a fixed-effects semi-parametric endogenous switching model. The results suggest that Kenyan maize farmers have applied inorganic fertilizer at the optimal level...
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INFORMATION
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2009/12/01
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Document de travail de recherche sur les politiques
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WPS5158
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1
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1
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2010/07/01
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Disclosed
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Soil fertility, fertilizer, and the maize green revolution in East Africa
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soil carbon content
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