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48％乙草胺是大连市农药厂生产的选择性芽前除草剂,用于播种前后或出苗前进行土壤处理。土壤有机质含量及墒情对拉索、杜尔等旱田除草剂的影响很大,而乙草胺在土壤有机质含量较高的条件下,亦能发挥较好的除草效果,喷药后土表含水量在15—18％时即可充分发挥药效。在干旱条件下,喷药15天内降雨15毫米也可保证药效。土壤墒情差,施药后混入土中2—3厘米有利于药效的发挥。
48% Acetochlor is a selective pre-emergent herbicide produced in Dalian Pesticide Factory for soil treatment before and after sowing or before emergence. Soil organic matter content and soil moisture had a great influence on the herbicides in the fields such as cable and Dour, but acetochlor also exerted better herbicidal effect under the condition of higher content of soil organic matter. Soil moisture content after spraying Effective at 15-18%. In arid conditions, 15 days of spraying 15 days can also guarantee the efficacy of rainfall. Soil moisture is poor, mixed with soil after spraying 2-3 cm is conducive to the efficacy of play.