How High Are Rates of Return to Fertilizer? Evidence from Field Experiments in Kenya

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Duflo, Kremer and Robinson (2008)

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Rural: Busia district.RCT.Free fertilizer and hybrid seeds provided to randomly selected farmers. Assistance in applying the inputs correctly and harvesting the crops.Median increased in yields from 9% to 49% (depending on the fertilizer treatment). However, median rates of return were positive for only one of the treatments.http://www.povertyactionlab.org/publication/how-high-are-rates-return-fertilizer...673 farmers with children enrolled in schools (randomly selected from school enrollment list).