VEGETATIVE GROWTH OF OKRA (Abelmoschus esculentus (L) Moench) LOCAL VARIETY INFLUENCED BY POULTRY MANURE AND INORGANIC FERTILIZERS
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Date
2012
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Abstract
A study to investigate the effects of organic and inorganic fertilizers on okra
(Abelmoschus esculentus) (40 days local variety) was carried out at the
biological garden of the University of Ilorin, Ilorin, Nigeria. Poultry manure
was used as organic fertilizer while inorganic fertilizers consisted of single
super phosphate, urea, and NPK 15:15:15. Results obtained revealed that
application of poultry manure enhanced more vegetative growth, when
compared with NPK 15:15:15, urea, single super phosphate and control
experiment in terms of stem height, stem girth, leaf area, and number of leaves.
Number of leaves was highest in plants treated with urea (10.3) compared with
those treated with poultry dung (8.0), single super phosphate (3.0),
NPK15:15:15 (6.7) and least in the control experiment with (2.7). The study
clearly indicated the efficacy of poultry dung as a promising organic manure
while urea was the best among the inorganic fertilizers followed by NPK
15:15:15, and single super phosphate being the least for A.esculentus growth.