Planting garlic attention to safe weeding
In the process of garlic planting, the most serious headache for farmers is weeds. Herbicides often occur when herbicides are applied, so we must pay special attention to safety.
Different types of grasses should be distinguished for chemical weeding: For plots dominated by monocotyledonous grass weeds, 48% trifluralin EC 100-150 ml/mu, or 33% herbicide-contained EC must be applied before sowing after garlic sowing. 200-250 ml, or 50% acetochlor EC 90%-120 ml, or 50% Blackberry WP 120-140 g, respectively, watered 50 kg spray. For the dicotyledonous broad-leaved weeds that are dominated by motherworts, piglets and clams, before the seeds are sown after garlic sowing, they use 50% Isoproturon 150-200g/mu and spray water 50kg. For monocotyledonous and dicotyledonous weeds and sedges, use 90-130 ml of dry grassine per acre, or 24% per acre, after sowing until the emergence of garlic, or between 2 leaves of 1 leaf and 4 leaves of garlic. Gore EC 48-72 ml, or 37% inhibition of grassland 110-180 ml, or after sowing garlic until the needle stage, with 40% 100-140 ml clomazone per acre, respectively, watered 40-60 kg spray. For weeds mixed with garlic fields, 25% of Cephazin Emulsion 39ml + 50% acetochlor EC 50ml per mu, or 24% Golg 10g + 33% Weed Moisten WP 20g Watered 40-50kg Spraying has better weeding effect and is safer.
In the operation technology, we must grasp several points: First, we must select the former weeds with a small weed base, and remove the weeds as much as possible before sowing; Second, when the spray is used, the field is better, if the lyrics are insufficient or the weeds are too large, Appropriately increase the dosage of water for medication; third is to avoid spraying at high temperature and rainy weather; fourth is to spray volatile herbicides such as trifluralin, which should be mixed with soil while spraying; fifth is not suitable for garlic field Sulfonyl urea herbicides such as chlorsulfuron and metsulfuron should be avoided in order to avoid phytotoxicity. Sixthly, herbicides of different species should be used alternately to prevent weeds from developing resistance.
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