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To understand the weeds of weed species, there are grass weeds such as crabgrass, goosegrass, etc., as well as broadleaf weeds such as anti-twigs, and more refractory, fertile weeds such as Xiangfuzi, Tianxuanhua, purslane, etc., should choose the appropriate herbicide variety according to the type and distribution of weeds.
Selection of herbicide varieties 1 Do not look at advertising to see the effectiveness. In the case of inaccuracy, the first choice is the varieties that have been used in previous years. These varieties have been tested for many years of production practice, safe and effective, and can be used boldly. 2 Select the variety for the mouth. For example, most of the fields use mechanical harvesting of wheat, high wheat, high grass, and general herbicides are not effective, and can be quickly blocked or 52% new Xuanhua. 3 Select the variety according to the time. There is no time to apply the herbicide when planting, and when the weeds are seen, the corn has also emerged. At this time, herbicides such as Yubao, Yubei and Fuziqing can be used.
According to local conditions, rational use of drugs with appropriate herbicide varieties, but also reasonable application, otherwise it is difficult to achieve the desired control, and even produce phytotoxicity.
Selection of herbicide varieties 1 Do not look at advertising to see the effectiveness. In the case of inaccuracy, the first choice is the varieties that have been used in previous years. These varieties have been tested for many years of production practice, safe and effective, and can be used boldly. 2 Select the variety for the mouth. For example, most of the fields use mechanical harvesting of wheat, high wheat, high grass, and general herbicides are not effective, and can be quickly blocked or 52% new Xuanhua. 3 Select the variety according to the time. There is no time to apply the herbicide when planting, and when the weeds are seen, the corn has also emerged. At this time, herbicides such as Yubao, Yubei and Fuziqing can be used.
According to local conditions, rational use of drugs with appropriate herbicide varieties, but also reasonable application, otherwise it is difficult to achieve the desired control, and even produce phytotoxicity.
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