Effect of weed removal regimes on postflowering insect damage and grain yield of cowpea, Vigna unguiculata (L.) Walp. in a rain forest area of Nigeria. Tropical Agriculture, [S. l.], v. 66, n. 2, 1989. Disponível em: https://journals.sta.uwi.edu/ojs/index.php/ta/article/view/1848.. Acesso em: 12 jul. 2024.