Capuno, R., Fabre, B. and Escalada, R. (1980) “GROWTH AND YIELD OF SORGHUM AS INFLUENCED BY GREEN MANURE AND SOIL ORGANIC MATTER CONTENT”, Annals of Tropical Research, 2(2), pp. 105–110. Available at: https://atr.vsu.edu.ph/article/view/830 (Accessed: 5 December 2025).