Propionamide is a safe and selective herbicide for rice fields. It is believed to be a highly selective herbicide for rice fields. It is believed that rice planters are not familiar with chlorfenapen, but they have a good understanding of pretilachlor. how much? The following Chinese pesticide network Xiao Bian, "using the herbicide metolachlor whole process" as follows:
The use of the pretila herbicide is used in the direct seeding field and the field, first well, and then germinated. 2-4 days after sowing, fill the shallow water layer, use 100-115 ml of 30% emulsifiable concentrate per acre, spray evenly 30 kg of water or 20 kg of mixed tidal soil or spread the whole field, and keep the water layer for 3-4 days.
The use range of pretila herbicides is applicable to rice valerian, bald oyster, ginseng, goosegrass, cow felt, narrow leaf diarrhea, water leek, sedge, broken sedge, clove 蓼1 year old grasses and broadleaf weeds such as ragweed.
Precautions for the use of pretila herbicide
1. The sown rice has root buds normal. Avoid buds without roots.
2. In the northern rice area, the application period should be extended appropriately, first test, and then promoted in large areas to avoid phytotoxicity.
3. After the ground is well prepared, it is necessary to sow and use the medicine in time, otherwise the weeds will be unearthed and affect the efficacy.
The problem of small-scale editing of China's pesticide network suggests that the herbicide should be far more toxic to fish when spraying acetochlor .
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