免耕小麦用“农达”除草效果好稻板田免耕种小麦的化学除草技术，于１９８４年和１９８５年在四川省试验示范，筛选出了免耕小麦化学除草药剂克芜踪和草甘膦，１９８６年开始由成都推广辐射到全省，当时稻板免耕田的草情是以禾本科杂草为主，据调查，主要是棒头草和看麦娘... Tillage wheat with “wenda” herbicidal effect of good non-tillage paddy field chemical weeding technology in 1984 and 1985 in Sichuan Province demonstration test, selected no-tillage chemical chemical herbicide Wu Gan trace and Gan Gan Phosphine, radiated from Chengdu to the province in 1986, when the non-plowing of rice paddy fields was dominated by gramineous weeds, according to the survey, mainly the head of grass and look Amy ...