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ISSN : 2456-8643

Title:
EFFECT OF LIME AND MINERAL FERTILIZER ON GROWTH AND YIELD OF TWO VARIETIES OF OKRA (Abelmoschus Esculentus (L) Moench) GROWN ON SOIL FROM OTOBI ACID FLOOD PLAIN OF NIGERIA

Authors:
Olalekan Olatunji., E. Adoyi and E.T. Ali

Abstract:
This study evaluated the effect of combined application of Lime and NPK 15-15-15 to two varieties of Okra (Clemson spineless and Indigenous variety) grown on soil taken from Otobi acid flood plain of Nigeria. Lime at four levels (0,1.0,1.5 and 2 tons/ha) and NPK 15-15-15 fertilizer at four levels (0, 11.25, 22.5 and 45.0 Kg NPK/ha) were factorially combine in a completely randomized design (CRD), replicated 3 times to give a total of 96 pots arrangement (48 each for okra variety). The growth and yield parameters of the okra were measured during the experimental period as well as the chemical properties of the soil evaluated pre and post experimental trial. The combine application of lime and NPK fertilizer application affect the growth and yield components Okra differently. The data obtained consistently indicate that Clemson spineless variety has significantly (P<0.05) higher leaf area, plant height and fruit yield in comparison with the indigenous variety. The resultant effect of the combine application of Lime and NPK fertilizer raised the level of soil pH, OM, Total Nitrogen, Available Phosphorous, K, Ca and ECEC. The application of 11.5 Kg NPK + 1.5 tons CaC03/ha gave the highest fruit yield in Clemson spineless variety and it is appropriate for sustainable Okra production in this acid flood plain of Nigeria.

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