"GROWTH AND YIELD CHARACTERS OF SOME COWPEA (VIGNA UNGUICULATA (L.) WALP.) GENOTYPES USING F1 HYBRID IN SANDY SOIL OF NORTH KORDOFAN STATE, SUDAN". University of Kordofan Journal of Natural Resources & Enviromental Studies 6, no. 02 (ديسمبر 31, 2025): 1–8. تاريخ الوصول يناير 1, 2026. https://journals.kordofan.edu.sd/jr/index.php/ukjnres/article/view/15.