Bowichean, Roongnapa, Suphicha Thanachit, Somchai Anusontpornperm, and Irb Kheoruenromne. “Green Manuring Effect on Yield of Cassava-Sweet Corn Sequential Cropping on Degraded Sandy Soil, Northeast Thailand”. Agriculture and Natural Resources 47, no. 3 (June 30, 2013): 342–357. Accessed May 20, 2024. https://li01.tci-thaijo.org/index.php/anres/article/view/243063.