Umeri C, Nwajei S, Akporherhe H. Effect of urea fertilizer on the growth and yield of African spinach (Amaranthus hybridus L.) in derived- savanna zone of Delta State, Nigeria. J. Current Opinion Crop Sci., [Internet]. 2022Mar.27 [cited 2024Apr.23];3(1):28-33. Available from: https://jcocs.com/index.php/ej/article/view/152