Rapeseed weed growth is heavy growth stages; use different for different weed herbicide; during growth rapeseed, weed emergence treatment methods can be employed.
Common weed herbicides used during rapeseed growth
1. For rapeseed fields dominated by broad-leaved weeds such as cattle sorghum and swine fever, you can use 50% high-gram 35 ml or 30% good 50 ml per acre in the 6-8 leaf stage of rapeseed. Add 40 kg of water to spray evenly.
2. For rapeseed fields mainly based on grasses and weeds such as maiden and stalk grass, 10% of high-efficiency grass cover can be used for 20 ml or 5% fine grass grass 50 ml per acre, and 40 kg of water is added. Grass 2 to 5 leaf spray.
3. For rapeseed fields where grass weeds and broadleaf weeds are simultaneously harmful, the above herbicide-derived herbicides can be mixed with broad-leaved herbicides, but attention should be paid to the prevention of broad-leaved herbicides. Apply in the 6-8 leaf stage of rapeseed.
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