Relative effect of organic and inorganic fertilizers on the growth of okra (Abelmoschus esculentus (L.) Moench)
2013
Uka, Ufere N. (Ebonyi State University, Abakaliki (Nigeria). Department of Applied Biology) | Chukwuka, Kanayo S. (University of Ibadan, Ibadan (Nigeria). Department of Botany) | Iwuagwu, Mary (Abia State University, Uturu (Nigeria). Department of Plant and Biotechnology)
A greenhouse experiment was conducted to study the relative effect of organic and inorganic fertilizers on the growth of okra (Abelmoschus esculentus). The experiment consisted of four treatments. Cow dung and poultry droppings were applied at the rates of 2.5 kg per 10 kg of soil one week before sowing, while NPK fertilizer (15:15:15) was applied at the rate of 6 g per 10 kg of soil three weeks after sowing. The treatments were laid in a completely randomized design with three replications. Plant growth was assessed using plant height, fresh weight, leaf area and dry weight. The application of cow dung, poultry droppings and NPK fertilizer had significant effects on all the parameters assessed. The application of poultry droppings gave plants with the greatest plant height, leaf area and fresh weight, while cow dung application gave the greatest dry weight. The data obtained from these treatments were significantly higher than the data obtained from the control. It was, therefore, concluded that the use of organic manure in the production of vegetables like okra should be encouraged.
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