Response of two okra (Abelmoschus esculentus L. Moench) varieties to fertilizers: Growth and nutrient concentration as influenced by nitrogen and phosphorus application |
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Authors: | IS Majanbu VB Ogunlela MK Ahmed |
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Affiliation: | (1) Department of Agronomy, Ahmadu Bello University, 1044 Zaria, PMB, Nigeria;(2) Department of Agronomy, Institute for Agricultural Research, Ahmadu Bello University, 1044 Zaria, PMB, Nigeria;(3) Present address: Agric. Extension & Research Liaison Service, Ahmadu Bello University, 1044 Zaria, PMB, Nigeria |
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Abstract: | The growth response and nutrient concentration in okra (Abelmoschus esculentus L. Moench) as influenced by four nitrogen rates (0, 25, 50 and 100 kg ha–1) and three phosphorus rates (0, 13 and 26 kg ha–1) were examined using two varieties ( White velvet and NHAE 47-4 ). Nitrogen application generally increased fruit and shoot dry weights markedly whereas phosphorus increased them only moderately. Leaf and primary branch production and plant height were also enhanced by nitrogen fertilization up to 100 kg N ha–1 but were not influenced by phosphorus application. The application of nitrogen enhanced the concentration of N, P and K in fruits and N and Mg in leaves while P and K concentrations in leaves were depressed. Nutrient concentrations in plant tissues were also partly a function of plant age and variety. |
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Keywords: | Growth nutrient concentration nitrogen okra (Abelmoschus esculentus L Moench) phosphorus |
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