Effect of Zai soil and water conservation technique on water balance and the fate of nitrate from organic amendments applied: a case of degraded crusted soils in Niger
Rotational effects of cowpea genotypes and P fertilization on the yield of sorghum on P-deficient soils of Sudan and Sahel savannas of west Africa
Effect of manure on millet production in a long-term soil fertility management experiment in Niger, West Africa