GROWTH AND YIELD CHARACTERS OF SOME COWPEA (VIGNA UNGUICULATA (L.) WALP.) GENOTYPES USING F1 HYBRID IN SANDY SOIL OF NORTH KORDOFAN STATE, SUDAN. UKJNRES [Internet]. 2025 Dec. 31 [cited 2026 Jan. 1];6(02):1-8. Available from: https://journals.kordofan.edu.sd/jr/index.php/ukjnres/article/view/15