Effects of Neem-Based Organic Fertilizer, NPK and Their Combinations on Soil Properties and Growth of Okra (Abelmoschus esculentus) in a Degraded Ultisol of Calabar, Nigeria
E. O. Ayito, Otobong B. Iren & Kingsley John · International Journal of Plant & Soil Science · 2018
A field experiment was conducted at the University of Calabar Teaching and Research Farm to evaluate the effects of neem-based organic fertilizer, NPK and their combinations on soil chemical properties and growth of okra (Abelmoschus esculentus) on a degraded Ultisol Calabar. The...
Open access
Research Article
10.9734/IJPSS/2018/43027