There are several methods for selecting a chemical herbicide in the post-emergence of the legume family. The common beans mainly include cowpea, pea, broad bean, lentils, and kidney beans. The weeding method is as follows:
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1. Post-emergence chemical weeding After sowing vegetables, weeds grow to 3 to 4 leaf stage, 10% quizalofol emulsifiable concentrate 40-50 ml, or 5% refined grass emulsifiable concentrate 40-50 ml, or 15% refined to kill 40 ~ 50 ml of emulsifiable concentrate, or 10.8% high-efficiency grass can be 20 ml of emulsifiable concentrate, or 20% to catch 60-80 ml of emulsifiable concentrate, use one of them to spray 50 kg of water to prevent grass weeds .
2. Pre-emergence chemical weeding For leguminous vegetables cultivated in autumn or after autumn, 1 to 2 days before sowing, use 48% of Fluramine Ester 100ml per acre, or 150% of Leficamine 150ml, or 72% of the emulsifiable concentrate of 100%, or 80 ml of 50% acetochlor EC, and spray one of 50 kg of water with one of them.