2. Seed disinfection. Before sowing, soaking with 50% carbendazim 400 times for 3 hours.
3. Cultivation management. Appropriate sowing, medium-maturing garlic is not suitable in early September; reasonable dense planting, early and mid-maturing varieties under 45,000 per mu control; scientific fertilization, so that nitrogen and phosphorus potassium, organic fertilizer and inorganic fertilizer combined.
4. Chemical control. The control of leaf blight and gray mold is sprayed with 75% chlorothalonil wettable powder 600 times in the initial stage of disease prevention; dry rot is controlled and sprayed with 70% thiophanate-methyl 1000 times solution; control of purple spot and sclerotia In the early stage of the disease, 50% carbendazim powder is sprayed 500 times, and root canal is treated with 40% Shennongbao EC 1000 times, once a week for 3~4 times.
5. Chemical weeding. (1) Soil treatment. 33-per-mu vegetable oil with 200-250 ml, 40-50 kg of water evenly spray. (2) Stem and leaf treatment. After the emergence of garlic, before the weed 3 leaf stage, use 50-70 milliliters per acre of 5% quinquon and lingzhi EC and spray 30 kg of water. (3) Weed control after spring. The pesticides such as Chong Shi 33% Caotongtong and Chongcaotong were used to control weeds and to protect the crops under the crop.
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