The main weeds in the field are grasses, crabgrass, sedges, parsley, iron leeks, lees, duckweed and dwarf arrowheads. Therefore, it is very important for rice weeding in the live-broad field. Method 1, before the ploughing eradication of old grass field. Before 2-3 days of ploughing, mu was sprayed with 150kg of paraquat and 50kg of uniform spray to control weeds. Method 2. Before the ploughing, the field old grass was destroyed. Mu with 10% glyphosate, 700 ml per mu 7-10 days before ploughing, evenly spray 50 kg of watered. Or farming with farming, 200 ml before ploughing 7-10 days, 50 kg evenly sprayed. Method 3: If there is no field treated with Roundup, fill deep water after tillage, and use 100 acres of paddy soil for rice planting with acres of rice, and drain field water for 5-7 days after closing the water. (Attention, it is necessary to dry Harada water so as to avoid phytotoxicity, and just exposing white seeds will aggravate the occurrence of phytotoxicity). 1. Make sure that the field surface is flat, the width is appropriate, and the irrigation in the valley is smooth. 2, so that germination sowing, so that the buds can reach half grain to plant. 3. The best application of the pesticide should be 2~4 days after sowing. Before the application of dry water before applying the pesticide, it is necessary to make sure that there is no clear water in the field and there is water in the ditch. Use 40% benzamidine per acre ( Live broadcast net, Daolong, live treasure), watering 30-45 kg evenly spray, keep the field board moist within 2 days after application, irrigation water back to the field after the next day. 4. If no weeding or poor weeding effect is used after sowing, supplementation can be done at the 3-4 leaf stage of seedlings. In the grassy field, the main grain can be sprayed with 50-60 kilograms of 50-60 kilograms of Inagi with a 50-60 kilograms of water. The predominant species can be used with 10 kilograms of milk, 50-60 ml of water, and 30-45 kilograms of uniform spray. Herbs, alfalfa, sedges, and broad-leaved weeds can be mixed with 50 grams of rice seed + 10% of milk, 60 ml of emulsifiable concentrate, 60 ml of water, 30-45 kilograms of seedlings. Water, thin layer of water after 1 day of medicine, water retention for more than 5 days.
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