Despite widespread enthusiasm about conservation agriculture (CA) in Africa, empirical evidence on adoption remains fragmentary. This study examines adoption rates of a critical component of CA, minimum tillage (MT), among 135,000 Zambian cotton farmers by comparing the results of two censuses...

This paper estimates the relative profitability of using optical reflectance-based measures to predict crop needs for topdress nitrogen application to hard red winter wheat (Triticum aestivum). The data are from nitrogen yield response experiments where midseason optical reflectance data were...