Effect of method of weed control and insecticide (Lambda-cyhalothrin) rates on the productivity of cowpea (Vigna unguiculata (L) Walp) in a Southern Guinea Savanna of Nigeria. Tropical Agriculture, [S. l.], v. 95, n. 3, 2018. Disponível em: https://journals.sta.uwi.edu/ojs/index.php/ta/article/view/5383.. Acesso em: 25 jun. 2024.