ABDELAZIZ , M. A. .; GRAD, S. A.; ALI, B. N. The Effect of Fertilization Systems and Tillage Depths on Soil Content of Organic Matter and Some Mineral Nutrients. Tishreen University Journal -Biological Sciences Series, [S. l.], v. 35, n. 7, 2013. Disponível em: https://journal.tishreen.edu.sy/index.php/bioscnc/article/view/551. Acesso em: 25 nov. 2024.