Boonpradub, S. (1990). Elefect of the Pre-Emergence Herbicide Metolachlor on the Growth and Yield of Blacktgram (Vigna mungo L.) . Thai Agricultural Research Journal, 8(1), 22–28. retrieved from https://li01.tci-thaijo.org/index.php/thaiagriculturalresearch/article/view/242403