Ratilla, Berta C., and Rodolfo G. Escalada. “Time of Incorporation of Field Legume Herbage and Its Influence on the Growth and Yield of Upland Rice”. Annals of Tropical Research 28, no. 2 (December 13, 2006): 12–31. Accessed December 22, 2024. https://atr.vsu.edu.ph/article/view/409.