Effects of phosphorus and soil moisture on grain yield, leaf and grain tissue concentration of iron and zinc in three bean (phaseolusvulgarisl.) genotypes

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v ABSTRACT Common bean ( Phaseolus vulgaris L .) is an important source of protein, minerals and food for the majority of the poor population in sub - Saharan Africa. However, its contribution to grain yield and micronutrient level is constrained by moisture stress and low available soil phosphorus. A study was carried out to determine the effects of bean genotypes, P fertilizer and moisture regimes on bean ( P. vulgaris L. ) grain yield and tissue concentration of Zn and Fe in three bean genotypes at KARI, Katumani Research Centre in M achak os, located at 1560 masl. The study was laid out in a randomized complete block design with five P fertilizer treatments in split - split plot arrangement with three replications. The main plot was moisture regimes , subplots were genotypes and the sub - s ub plots were P rates. Data on concentration of Fe and Zn at flowering, grain yield and grain concentration of Fe and Zn at bean maturity were recorded. Data for grain yield, grain and leaf tissue concentration of Fe and Zn were analysed using ANOVA, Means were separated using LSD at significant ( P

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Effects of phosphorus and soil moisture on grain yield, leaf and grain tissue concentration of iron and zinc in three bean (phaseolusvulgarisl.) genotypes

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