Boonthum, Artisit, Jarun Arree, Chalermpol Lairungreung, and Dhanit Sophanodora. 1997. “Effect of Leaving Burnt Cane in the Field on Yield and Quality of Sugarcane”. Agriculture and Natural Resources 31 (2). Bangkok, Thailand:224-31. https://li01.tci-thaijo.org/index.php/anres/article/view/240825.