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(接上期)(四)大蒜田产生药害主要原因(见表3)大蒜田产生药害主要原因有:一是未严格控制用药量;二是没有按照先浇水后施药,覆土避免漏种的方式,使药液接触种子;三是未避开1叶1心至2叶期;四是施药时温度过高或过低。五、大蒜田除草剂应用技术与注意事项到目前,大蒜田基本为土壤化学除草,这也是当前和今后一段时间的主要除草措施。已应用的药剂有酰胺类、二硝基苯胺类、二苯醚类等,代表品种有
(Connected to the period) (d) the main causes of pesticide injury in garlic field (see Table 3) Garlic field produce phytotoxicity are the main reasons: First, not strictly control the amount of medication; second is not in accordance with the first watering after the application of soil to avoid leakage Kind of way to make the liquid contact with the seed; third is not to avoid the 1 leaf to 1 heart to 2 leaf stage; Fourth, when the drug temperature is too high or too low. Fifth, garlic field herbicides application techniques and precautions At present, the basic garlic soil chemical weeding, which is currently and some time in the future the main weeding measures. Has been applied amides, dinitroanilines, diphenyl ethers, etc., on behalf of varieties