Evaluation of Soil Chemical Properties, Growth and Yield of Okara (Abelmoschus esculentus) as Influenced by Composted Poultry Manure and NPK (15:15:15) Fertilizer

A.L. Akinmutimi, C.N. Ndimele and Agu¸ J.C.

International Journal of Agriculture and Environmental Research, 2023, vol. 9, issue 3

Abstract: Greenhouse and laboratory experiments were carried out to investigate the effects of organic manure (Poultry Manure) and NPK (15:15:15) fertilizer on soil chemical properties, growth and yield of okra (Abelmoschus esculentus) in Michael Okpara University of Agriculture, Umudike. Six treatments {T1-2.5tons/ha poultry manure, T2- 5tons/ha poultry manure, T3- 2.5tons/ha poultry manure + 100kg/ha NPK (15:15:15) fertilizer, T4- 5tons/ha poultry manure + 100kg/ha NPK (15:15:15) fertilizer, T5- 100kg/ha NPK (15:15:15) fertilizer, T6- Control (no fertilizer/poultry manure application)} were used. The treatments were replicated three times, and laid out in a completely randomized design (CRD). In the greenhouse, the experiment lasted for twelve weeks and data were collected on the following growth and yield parameters: plant height, number of leaves, stem girth, number of fruits and fruit weight at harvest. Results obtained indicated that growth and yield of okra were lowest in the control treatments, indicating that the organic manure used in the study (poultry manure) positively influenced the growth and yield of the okra. Poultry manure positively increased okra plant height by 199.3% and increased number of fruits of okra by 5.77% compared to the control treatments. Fresh fruit weight was also significantly (p<0.05) increased with the application of poultry manure compared to the control treatment; Fruit yield was highest in the T3 (5.77 tons per hectare)¸ followed by the treatment T2 (5.00 tons per hectare). Generally from the results, it could be concluded that T2 (5tons/ha poultry manure), T3 (2.5tons/ha poultry manure + 100kg/ha NPK (15:15:15) fertilizer) andT4 (5tons/ha poultry manure +100kg/ha NPK (15:15:15) fertilizer increased the growth and yield of okra when compared to other treatments. They were therefore recommended for farmers in the study area.

Keywords: Agribusiness (search for similar items in EconPapers)
Date: 2023
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Persistent link: https://EconPapers.repec.org/RePEc:ags:ijaeri:338410

DOI: 10.22004/ag.econ.338410

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