Soybeans and peanut field weeds include: fragrant aconite, iron amaranth, foxtail, amaranth, purslane, goosegrass, and crabgrass. Chemical weeding in soybean fields and peanut fields should be based on the occurrence of weed population in the field, and appropriate herbicides should be selected according to local conditions and targeted. Generally, soil sealing treatment or post-emergence stem and leaf treatment is carried out.
1. Soil treatment Before soy or peanut emergence, 50% acetochlor EC 150-200 ml per acre, or 72% Duer emulsifiable concentrate 100-180 ml, 40-40 kg water, evenly sprayed on the surface, can be prevented Annual grass weeds and some broad-leaved weeds such as crabgrass and foxtail.
2. Stem and leaf treatment is generally used after soy or peanut emergence, and weeds are used at 3 to 5 leaf stage. For grasses dominated by grass weeds, 8.8% of the grass can be used for 40% of the grass, or 10.8% of the grass can be 35 to 40 ml, and the stems and leaves of 40 to 50 kg of water can be treated. For the field where grass weeds and broadleaf weeds are mixed, use the following herbicide formula spray in the 2~5 leaf stage of weeds (banned peanut field): 6.9% Verbund emulsion 50 ml per acre plus 20% Huwei 50 ml of water, or 10.8% of grass can be 30 ml of emulsifiable concentrate and 20 ml of 20% Huwei water, and 40 to 50 kg of stem and leaf water.
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