RAPHAEL, Adeyemi Olusegun. EFFECT OF PHOSPHORUS (P) RATES AND WEEDING FREQUENCY ON THE GROWTH AND GRAIN YIELD OF EXTRA EARLY COWPEA (VIGNA UNGUICULATA (L.) WALP) IN THE FOREST – SAVANNA TRANSITION AGRO-ECOLOGICAL ZONE OF SOUTHWEST NIGERIA. Journal of Agricultural Sciences (Belgrade), [S. l.], v. 65, n. 1, 2020. Dostupno na: https://asistent.ceon.rs/index.php/jas/article/view/21154. Pristupljeno: 12 juli. 2026.