MFEKA, Nonkululeko; MULIDZI, Reckson A.; LEWU, Francis B. Growth and yield parameters of three cowpea (Vigna unguiculata L. Walp) lines as affected by planting date and zinc application rate. South African Journal of Science, [S. l.], v. 115, n. 1/2, 2019. DOI: 10.17159/sajs.2019/4474. Disponível em: https://sajs.co.za/article/view/4474. Acesso em: 22 dec. 2024.