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Cowpea is an important cultivated grain legume pulse, vegetable and fodder crop of African origin. However, yields have been characteristically low as a result of both abiotic and biotic stresses. Among the abiotic stresses, yield losses due to phosphorus (P) deficiency is an important factor....

Cowpea (Vigna unguiculata L. Walp) is an important legume crop, but drought and soil infertility, especially Phosphorus (P) deficiency are primary constraints for its production. Three studies, a field, greenhouse and hydroponics experiments were carried out at the University of Zambia to...