Coffee residue effect on grain yield and water use efficiency of maize in a maize-haricot bean intercrop in Semi-arid Southern Ethiopia. (13). Tropical Agriculture, [S. l.], v. 84, n. 1, 2007. Disponível em: https://journals.sta.uwi.edu/ojs/index.php/ta/article/view/1136.. Acesso em: 21 may. 2024.