Aday, Shaker H., Mohammed A. Abdulkareem, and Sadiq J. Muhsin. “Effect of the Manure Levels , Depth and Method of Applying Using Ditch Opener and Manure Laying Machine on Some of Soil Physical Properties”. Basrah Journal of Agricultural Sciences 30, no. 1 (June 30, 2017): 13–25. Accessed November 21, 2024. https://bjas.bajas.edu.iq/index.php/bjas/article/view/7.