Ikeh AO, Ndaeyo NU, Ikeh CE. Effects of integrated fertilization on soil sustainability and cassava (Manihot esculenta Crantz) yield in an ultisol. J. Current Opinion Crop Sci., [Internet]. 2023Jun.30 [cited 2024Nov.23];4(2):89-102. Available from: https://jcocs.com/index.php/ej/article/view/197