Growth, Nodulation and Nutrients Uptakes of Cowpea (Vigna unguiculata L. Walp) following Zinc Fertilizer Applications in the Semi-deciduous Forest Zone of Ghana
Z. P. Chakirwa, J. Sarkodie-Addo, T. Adjei-Gyapong, A. K. Lubobo & B. J. Bashagaluke · Journal of Experimental Agriculture International · 2019
Cowpea can fix atmospheric nitrogen through symbiotic association with indigenous rhizobia but unfortunately, the amount of N2-fixed is usually not enough due to the presence of ineffective or low numbers of indigenous rhizobia in the soil. The effect of Zinc applications on grow...
Open access
Research Article
10.9734/jeai/2019/v35i530215