Trongkongsin K. Potential Production of Four Tropical Pasture Grass Species of Nitrogen Fertilizer after Defoliztions . Thai Agric.Res.J. [internet]. 1991 Sep. 1 [cited 2026 Oct. 1];9(3):173-85. available from: https://li01.tci-thaijo.org/index.php/thaiagriculturalresearch/article/view/242395