There are many types of weeds in dry nursery fields, and weeds in paddy fields and dry land. The selection of suitable methods and herbicides is the key point. The following measures can be used to prevent them.
I. Soil treatment before sowing
1. For every 667 square meters, use 36% dibutyl emulsifiable concentrate 80-120 ml, or 60% butachlor EC 50 ml plus 12% oxacillin emulsifiable concentrate 50 ml, spray evenly with 30 kg of water before covering the soil. Note that the millet does not expose the soil surface.
2. For each 667 square meters, use 60% new Marsh joint emulsifiable concentrate 75-120 ml, or 60% butachlor EC 75-120 ml, and spray evenly with 30 kg of water before covering the soil. It is easy to produce phytotoxicity to dew seeds, and it is not suitable for use in germination valley.
3, 50% Hekuo net wettable powder, 150-225 grams per 667 square meters of seedbed in northern rice area, 30-50 kg water, spray pesticide immediately after sowing soil, spray evenly with hand sprayer; Putian in southern rice area Use 100-150 grams per 667 square meters, 30-50 kg water, spray evenly with a hand sprayer, and apply immediately after sowing. Pay attention to the level of the surface to prevent local water accumulation, and the millet should not show mud.
Second, the post-emergence stem treatment
1, for each 667 square meters with 90% high herbicide 100 ml plus 10% bensulfuron-methyl wettable powder 10-15 grams, or with 35% agricultural (dichlorobenzyl) wettable powder 30-35 grams, During the refining (2-3 leaves) period, 30-50 kg of water is evenly sprayed.
2. Putian, which has the harm of sedge in the later stage, can be sprayed with water of 200 ml of 20% 2 methyl chloride solution per 667 square meters about 7 days before creping.
3, 17.2% juvenile wettable powder, 180-220 grams per 667 square meters, 30-50 kg water, after the film is uncoated, 2-3 days of application, spray evenly with a hand sprayer.
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