Weeding in amaranth fields is mainly divided into two cases:
First, after seeding, seedlings: 33% Pendimethalin EC 100-150 ml, watered 40-50 kg, evenly sprayed before the emergence of leek seed; can also choose to diamine, prometryn.
Second, the old root weeds field weeding:
1. After weeding, weeding and weed control: After the leeks are harvested, the leek wounds are healed and the water is poured. Select 33% pendimethalin 100-150 ml or 50% Napropamide WP 100-150 g Duishui 40-50 Kilograms, directional uniform spraying; For broad-leaved weeds and grass weeds mixed field, you can first remove the big grass, and then use 23.5% oxyfluorfen EC 50-75 ml, watered 40-50 kg, Directional spraying;
2. Post-emergence treatment of grass weeds: Herbicides containing fluazifop-Porcine, high-efficiency flupirtine, quizalofop-p-ethyl, etc. can be selected and used in most grassy weeds at 3-5 tablets. When the leaves are displayed, use the dosage to dilute the water evenly.
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