The effect of different planting methods on the yield and spad readings of sweet potato (Ipomoea batatas L.). COLUMELLA – Journal of Agricultural and Environmental Sciences, [S. l.], v. 5, n. 1, p. 7–12, 2018. DOI: 10.18380/SZIE.COLUM.2018.5.1.7. Disponível em: https://journal.uni-mate.hu/index.php/columella/article/view/2760.. Acesso em: 13 may. 2024.