Somchai Boonpradub และ Wanchai Thanomsub; Montri Chatasiri. (1998) Effect of Plant Density and Irrigation Methods on Grwoth and Yield of Maize Cultivars Grown after Lowland Rice. <i>Thai Agricultural Research Journal</i>, <i>16</i>(2), 137-143.Somchai Boonpradub และ Wanchai Thanomsub; Montri Chatasiri. "Effect of Plant Density and Irrigation Methods on Grwoth and Yield of Maize Cultivars Grown after Lowland Rice". Thai Agricultural Research Journal 16 (1998):137-143.Somchai Boonpradub และ Wanchai Thanomsub; Montri Chatasiri. Effect of Plant Density and Irrigation Methods on Grwoth and Yield of Maize Cultivars Grown after Lowland Rice. Department of Agriculture:ม.ป.ท. 1998.