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Research Article
Vol. 26, Issue 1
Comparative Effects of Organic Manures and Npk Fertilizer on Growth and Yield of Okra (abelmoschus Esculentus (l.) Moench) on Ultisol
Experiments were conducted at the Teaching and Research Farm of the Federal College of Education (Technical), Omoku – Rivers State, in the humid tropics of South-South Nigeria to study effects of organic manures (poultry manure, cow dung and palm bunch ash) and nitrogen - phosphorus - potassium fertilizer (15-15-15) on plant height, number of leave...