Effect of Nitrogen and Organic Fertilization on Growth and Yield of Two Cabbage Varieties Brassica oleracae Var. Capitata. NTU-JAVS [Internet]. 2021 Sep. 29 [cited 2024 Jul. 3];1(1):21-8. Available from: https://journals.ntu.edu.iq/index.php/NTU-JAVS/article/view/123