Wijitphan, S. and Lowilai, P. (2017) “Effects of cattle manure and/or chemical fertilizer on yields and nutritive values of king Napier grass (Pennisetum purpureum cv. king grass) under irrigation (Thai)”, Asia-Pacific Journal of Science and Technology, 15(4), pp. 271–282. available at: https://so01.tci-thaijo.org/index.php/APST/article/view/83162 (accessed: 28 September 2026).