1. Herbicide selection The choice of herbicides is very important, because there are many types of weeds, and various herbicides correspond to different weeds, and there are different herbicide choices at different growth stages of watermelon. For example, before the watermelon is sowed, it is necessary to use herbicides such as Shacaojing WP for weeding. The herbicides should be selected reasonably before and after transplanting and during the growth period. If the herbicides are not selected correctly, they may also inhibit the growth of watermelons, causing phytotoxicity in watermelons, reducing yields, and in severe cases, no pellets will be harvested. 2. Control the dosage. If the dosage is excessive, watermelon is prone to phytotoxicity, which will not only destroy weeds, but also affect the growth of watermelon. Many fruit farmers use too much herbicide because of improper dosage control. Finally, the watermelon appears deformed, thin, seriously insufficient in sugar content, and inferior in quality. Therefore, when applying herbicides, we must pay attention to control the dosage to avoid unnecessary losses. 3. Application method After spraying the herbicide, cover the mulch film in time to prevent the rain from scouring the agent and causing the herbicide to lose its effect. For some highly volatile herbicides, mix them with the soil evenly after spraying, while the poorly volatile herbicides should be covered with a medical film after spraying. It is forbidden to walk around and turn the soil. Pay attention to the spraying position when spraying, and do not damage the watermelon seedlings or roots. In addition, the amount of application should be controlled according to the condition of soil weeds and weather changes. When the moisture content is poor, water should be watered before spraying. 4. Preventing phytotoxicity and phytotoxicity is the most common problem when using herbicides, which is mainly caused by improper medication and excessive dosage. Therefore, we must observe the weed species to select herbicides reasonably, control the dosage, and prevent phytotoxicity. If phytotoxicity occurs accidentally, it should be remedied in time by spraying Fuxing active liquid fertilizer and Aidoshou potassium salt growth regulator to inhibit the effect of herbicides. You can also water properly and flood the herbicide with flooding to avoid re-damage caused by residual herbicide. Disclaimer: Some articles on this website are transferred from the Internet. If the legal rights of a third party are involved, please inform this website for processing. phone
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