Raphael AO. 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. J. Agric. Sci. (Bg.) [Internet]. 17. Mart 2020. [citirano 12. Juli 2026.];65(1). Dostupno na: https://asistent.ceon.rs/index.php/jas/article/view/21154