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  • Author or Editor: C. J. Busada x
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Weekly foliar fertilizer applications of 10 ppm NO3-N [as Ca(NO3)2] or NH4-N [as (NH4)2SO4] significantly reduced dry matter, N accumulation, and yield of ‘Blue Lake 274’ snap bean (Phaseolus vulgaris L.) grown in solution culture. The reduction in dry matter and N accumulation were greatest with the NH4-N vs. the NO3-N foliar treatment. Data obtained in this study indicates that the cultural practice of applying NH4 or NO3 fertilizer through an overhead irrigation system may reduce snap bean yield.

Open Access