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近年来,偃师市各果园,试验推广草甘膦化学除草,取得了良好的除草效果,它不仅能消灭一年生杂草,而且对多年生恶性杂草有特效。现总结如下。 1.喷药时间 草甘膦属茎叶处理剂,对植物绿色部分具有很强的杀伤力。植物吸收药液后,可传导到根部,使其腐烂枯萎死亡,从而达到除草的目的。而土壤中未萌发的杂草种子或尚未出土的杂草嫩芽因未着药,仍可萌发生长,所以,用草甘膦除草,必须使杂草充分萌发,长出绿色茎叶。一般要求杂草高在10cm以上喷药,才能有良好的除草效果。喷药时间应在5月
In recent years, Yanshi City, the orchards, experimental promotion glyphosate chemical weeding, and achieved good weeding effect, it can not only eliminate annual weeds, but also perennial malignant weeds have special effects. Now summarized as follows. 1. Spraying time glyphosate is a stem and leaf treatment agent, the green part of the plant has a strong lethality. After the plant absorbs the liquid medicine, it can be transmitted to the root to make it decay, wither and die, so as to achieve the goal of weeding. However, the non-germinated weed seeds in the soil or the weeds not yet unearthed can not germinate because of the lack of medicine. Therefore, weeding with glyphosate must fully germinate the weeds and grow green stems and leaves. Generally require high weed spray above 10cm, in order to have a good weeding effect. Spraying time should be in May