Peanut weed control chemical technology

Peanut is one of the main economic crops in Laoshan. The most time-consuming and labor-consuming process in the cultivation process is weeding. The most harmful weeds on the ground of peanuts are grasshoppers such as Mactan, Setaria viridis, Thousand-gold, Cyperus rotundus, Valerian, Drought and so on; broad-leaved weeds such as spurs, green scorpions, eriobotrya japonica, endives, small convolvulus, alfalfa, alfalfa, alfalfa, alfalfa, beans and solanum. According to the characteristics of many types of weeds in the peanut field and different growth stages, different types of herbicides can be selected for different weeds at different stages of peanut planting. Appropriate amount of pesticides can be used to achieve good results. Now we will introduce some commonly used peanut chemical control weeds as follows:
First, after sowing herbicide peanuts before sowing herbicide peanuts have not yet emerged before the emergence of different types of weeds for different types of weedicide spraying topsoil, covering the formation of film layer, closed surface weeding.
1. For every 667 square meters of peanuts with more monocotyledons and weeds, use 72% Dole 100-150 ml plus 40 kg water evenly, or 50% acetochlor 150-200 ml plus 40 kg water evenly, or 48% Lacquer emulsion 100 g and 25% diuron wettable powder 100 g mixed with water 40 kg spray.
2, monocotyledonous and dicotyledonous symbiosis of peanuts every 667 square meters of selected 50% of the speed of 4 grams plus 90% Nai Nisi 60 ml, 40 kg of water spray. Or in the three days before sowing peanuts (or sowing until the first three days of germination), with 20% of traceless 120-180 ml, watered 30-45 kg, evenly sprayed on weed stems or the surface layer.
Saline-alkaline lands, aeolian sandy lands, sandy loam soils with low organic matter content, and soils that are particularly arid or leeches are generally not treated with pre-emergence soils. Post-emergence stem and leaf treatments should be adopted.
Second, post-emergence stem and leaf treatment,
After the sowing of peanuts, due to too busy farming or climatic factors, weeding on the surface before buds can not be implemented. After the peanuts and weeds are unearthed, weeds in the 2-4 leaf stage, broadleaf weeds in 5-10 cm. When high, the stems and leaves are sprayed and weeded.
1. Every 667 square meters of grass weeds, 6.9% Weiba 40-50 milliliters, or 10.8% high efficiency Gaifu 25-30 milliliters, or 15% fine stable kill 40-50 milliliters, or 20% sperm Grass 30 ml, add 40 kg of stem and leaf spray, can control annual grass weeds.
2, broad-leaved weeds per 667 square meters, with 24% Ke Wei Le 8-10 ml, or 25% Huwei 60 ml, add water 40 kg, can effectively prevent common broad-leaved weeds.
The peanut herbicides for Gramineous weeds and broad-leaved weeds are selected from the herbicides for Peanut Field (Grass Peanuts), and can be used before peanuts are applied from 2 to 3 compound leaves to ridges. Uses: (1) Peanuts 2 to 3 compound leaves, 1 to 3 leaf stage of weeds, 40 grams of kilograms of water, 40 kilograms of water and 40 kilograms of uniform spray. (2) Before the four compound leaves of peanuts are enclosed and the ridges are closed, the weeds are in the 4 to 6 leaf stage, and the mu is sprayed with 50 to 65 ml of Kecaoxing and 40 kg of uniform water. Or choose the above two herbicides mix.

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