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The economics of soil productivity in sub-Saharan Africa
(2001)
Yield Effects of Selected Agronomic Innovation Packages in Maize Cropping Systems of Six Countries in Sub-Saharan Africa
Eyshi Rezaei, Ehsan, (2018)
Is dirt cheap? : the economic costs of failing to meet soil health requirements on smallholder farms
Gourlay, Sydney, (2023)
A review of the state of biomass energy technologies in Zimbabwe
Jingura, Raphael Muzondiwa, (2013)
Optimization of biogas production by anaerobic digestion for sustainable energy development in Zimbabwe
Jingura, Raphael M., (2009)