SUSCEPTIBILITY OF SOME COWPEA (VIGNA UNGUICULATA (L) WALP) VARIETIES TO PERIOD OF WEED INTERFERENCE IN THE SOUTHERN GUINEA SAVANNA OF NIGERIA. FUDMAJAAT [Internet]. 2022 Jun. 3 [cited 2026 Jan. 23];7(2):1-10. Available from: https://jaat.fudutsinma.edu.ng/index.php/jaat/article/view/41