Aliyu, I.,; Dugje, I. Y.,; Kamai, N.; 2Usman, A. U. EFFECTS OF COWPEA (Vigna Unguiculata (L.) Walp.) VARIETIES AND SOWING DATES ON PERFORMANCE OF COWPEA IN SESAME AND COWPEA INTERCROPPED IN SUDAN SAVANNA, NIGERIA. home 2023, 9, 47-59.