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


Duflo, Kremer and Robinson (2008)



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. farmers with children enrolled in schools (randomly selected from school enrollment list).