Somphob Jongruaysup และ Somporn Raingrungrueng; Udom Ratanarak. (1998) Effect of Rates of Phosphate, Potassium and Lime on Yield of Sugarcane on Sandy Loam Soil in the Northeast. <i>Thai Agricultural Research Journal</i>, <i>16</i>(3), 203-211.Somphob Jongruaysup และ Somporn Raingrungrueng; Udom Ratanarak. "Effect of Rates of Phosphate, Potassium and Lime on Yield of Sugarcane on Sandy Loam Soil in the Northeast". Thai Agricultural Research Journal 16 (1998):203-211.Somphob Jongruaysup และ Somporn Raingrungrueng; Udom Ratanarak. Effect of Rates of Phosphate, Potassium and Lime on Yield of Sugarcane on Sandy Loam Soil in the Northeast. Department of Agriculture:ม.ป.ท. 1998.