Panya Romyen และ Kunnika Naklang; Eakasit Sakulku. (2006) Timing of Basal Fertilizer Application on Rice-Weed Competition in Dry Seeded Rice. <i>Thai Agricultural Research Journal</i>, <i>24</i>(1), 67-82.Panya Romyen และ Kunnika Naklang; Eakasit Sakulku. "Timing of Basal Fertilizer Application on Rice-Weed Competition in Dry Seeded Rice". Thai Agricultural Research Journal 24 (2006):67-82.Panya Romyen และ Kunnika Naklang; Eakasit Sakulku. Timing of Basal Fertilizer Application on Rice-Weed Competition in Dry Seeded Rice. Department of Agriculture:ม.ป.ท. 2006.