“Humic Substances Applications Impact Quality and Yield of Commercially-Produced Pomegranate Saplings in Nangarhar, Afghanistan”. COLUMELLA – Journal of Agricultural and Environmental Sciences 2, no. 2 (December 17, 2015): 59–67. Accessed May 22, 2024. https://journal.uni-mate.hu/index.php/columella/article/view/2708.