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Effect of phosphorus (P) application on nutrient uptake, biomass, pod and seed formation in cowpea (Vigna unguiculata (L.) Walp])
Phosphorous (P) deficiency is a serious problem which limits the
productivity of cowpea in sub-Saharan Africa.
• P deficiency affects negatively the formation of nodule (1, 2) and the
symbiotic fixation of N2 by limiting ...
Understanding variability in soybean yield and response to P-fertilizer and rhizobium inoculants on farmers' fields in northern Nigeria
Soybean yields could benefit from the use of improved varieties, phosphate-fertilizer and rhizobium inoculants. In this study, we evaluated the results of widespread testing of promiscuous soybean varieties with four ...