Igboabuchi N. Growth and yield attributes of four varieties of cowpea (Vigna unguiculata L. Walp) in Anambra State, Nigeria. Arch. Agric. Environ. Sci. [Internet]. 2017 Mar. 1 [cited 2026 Mar. 13];2(1):21-4. Available from: https://journals.aesacademy.org/index.php/aaes/article/view/02-01-03