Effect of chicken manure and salinity on growth and leaf N,P and K contents of okra grown on two soil types [Sudan]
1993
El-Tilib, A.M.A. | Ali, A.M. | Abdalla, M.A.
The growth response and leaf N, P and K contents of okra as affected by four chicken manure rates (o, 10, 21 and 32 tons ha-1) and four salinity levels (EC1) of the irrigation water [0.26 (tap water), 1.0 1.5 and 2.5 dSm-1] were examined on two soil types belonging to the orders of Vartisol and Entisol. The plant height was increased significantly with increasing rates of chicken manure, whereas different salinity levels excreted no significant effect and the Entisol gave taller plants than the Vertisol. The number of leaves was not differentially increased by the soil type, but significantly increased and decreased by the manure and salinity respectively. There was no differential response of the pod number per plant to the treatments, while the reverse was true for the pod dry matter yield. The leaf nitrogen was increased by manuring, but was reduced by the imposed salinity. The plant uptake of N and K from the Vertisol was significantly higher than that from the Entisol. P was insignificantly influenced by the treatments, but slightly increased by the added manure. On the other hand, both salinity and manuring caused significant increase in the leaf K.
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