Raphael, A.O. (2020) „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), 65(1). Dostupno na: https://asistent.ceon.rs/index.php/jas/article/view/21154 (Pristupljeno: 12 Juli 2026).