POLTHANEE, A. The Effects of Field Ridging and Flat-Field Planting on Growth and Yield of Three Legumes Grown Before Rice in the Pre-Monsoon Season of Northeastern Thailand. Agriculture and Natural Resources, Bangkok, Thailand, v. 35, n. 1, p. 51–59, 2001. Disponível em: https://li01.tci-thaijo.org/index.php/anres/article/view/240320. Acesso em: 21 sep. 2026.