Tudsri, S., Pachanawan, N., Bumrung, N. and Jengnay, Y. (1999) “Productivity and Quality of CP- Pangola (Digitaria decumbens cv. CP-1) under Different Managements II. Effects of nitrogen application and cutting frequency”, Agriculture and Natural Resources. Bangkok, Thailand, 33(1), pp. 21–32. available at: https://li01.tci-thaijo.org/index.php/anres/article/view/240426 (accessed: 17 September 2026).