RESPONSE OF SOME COWPEA VARIETIES (Vigna unguiculata L.) YIELD TO VARIATIONS IN DAYLENGTH IN SUDAN SAVANNA OF NIGERIA. FUDMA JOURNAL OF SCIENCES, [S. l.], v. 3, n. 1, p. 179–188, 2023. Disponível em: http://162.254.38.185/index.php/fjs/article/view/1441. Acesso em: 17 sep. 2025.