Items where Author is "Akpa, E. A."

Article

Afu, S. M. and Akpa, E. A. (2019) Response of Okra to Incorporating Humic Acid-Derived Active Molecules into NPK Fertilizer and Lime on Coastal Plain Sand in Calabar, Nigeria. International Journal of Plant & Soil Science, 27 (3). pp. 1-9. ISSN 2320-7035