The effect of time of planting on yield of six varieties of sweet potato (Ipomoea batatas (L.) Lam.) in the southern coastal lowlands of Papua New Guinea. Tropical Agriculture, [S. l.], v. 62, n. 3, 1985. Disponível em: https://journals.sta.uwi.edu/ojs/index.php/ta/article/view/2237. Acesso em: 12 oct. 2024.