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. ta [Internet]. 2018 Oct. 8 [cited 2024 Oct. 4];95(3). Available from: https://journals.sta.uwi.edu/ojs/index.php/ta/article/view/5383