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. Agr. Nat. Resour. [Internet]. 2001 Mar. 31 [cited 2024 May 2];35(1):51-9. Available from: https://li01.tci-thaijo.org/index.php/anres/article/view/240320