Ahmadullha Ahmadi, Dinesh Kumar, Wakil Ahmad Seerat, Mohibullah Samim. Growth, seed yield and economics of cowpea (Vigna unguiculata L.) as influenced by crop geometry and sulphur levels in Kandahar region of Afghanistan. AAR. 2024;44(4):449-453. Accessed October 25, 2025. https://epubs.icar.org.in/index.php/AAR/article/view/149992