Pongsiri Patcharapreecha, Duangsamorn Taja, Hiroshi Ishida, and Hidenori Wada. “Effects of Surface Placement of Sesbania Debris Prior to Incorporation into the Soil on Growth of Rice and Soil Properties”. Agriculture and Natural Resources 27, no. 4 (December 30, 1993): 494–499. accessed August 28, 2026. https://li01.tci-thaijo.org/index.php/anres/article/view/241704.