Effect of crop rotation and nitrogen fertilization on yield and nitrogen efficiency in maize in the northern Guinea savanna of Nigeria
Assessment of nutrient deficiencies in maize in nutrient omission trials and long-term field experiments in the West African Savanna
Grain legume rotation benefits to maize in the northern Guinea savanna of Nigeria : Fixed-nitrogen versus other rotation effects
Phosphate rock utilization by soybean genotypes on a low-P savanna soil and the status of soil P fractions after a subsequent maize crop
Grain legume rotation benefits to maize in the northern Guinea savanna of Nigeria: fixed-nitrogen versus other rotation effects
Effect of crop rotation and nitrogen fertilization on yield and nitrogen efficiency in maize in the northern Guinea savanna of Nigeria