Onions and onions are growing as a spice crop. In the production of onions and onions, due to the improper selection of herbicides, the seasons are reduced or the harvest is not harvested. In the pollution-free production of onions and onions, it is very important to use herbicides.
When onion is planted, 50% of the water can be sprayed with 50% to 60 kg of water per acre. When the onion seedlings are cultivated, 33% of the herbicide per 100 mu of emulsifiable concentrate can be used, or 48 ml of 48% dilute emulsifiable concentrate per acre, or 50% of the herbicide can be used for 150 g of the wettable powder of 50% per acre. spray.
Before the onion is transplanted after the soil preparation, it can be used with 24% of the fruit, 66-72 ml per acre, or 43% of the grass with 80% of the grass, and spray 50-60 kg of water. Before transplanting the onion, it can use 100% 150ml of Fluorin EC or 200ml of 48% dilamine per acre, or 50% Dahui Wettable 100 per acre. -150 grams, spray 50-60 kg of water.
After the onion is planted at the 3-4 leaf stage, 24% of the fruit can be used for 66-72 ml per acre, or 43% of the grass with 80% to 100 ml of dry grass, and 50-60 kg of water. After the onion is transplanted, it can be used with 33% weeding emulsifiable concentrate 100-150 ml per acre. Or use 50% Liguron WP 100g per acre and spray 50-60kg of water.
In order to improve the effect of applying herbicides on onions and onions, it should be noted that the seedlings should be applied before emergence after sowing. After transplanting, the weeds should be applied before emergence of the seedlings. Onion is prohibited in the 2 leaf period, and the fruit is used carefully before the 3 leaves. When the temperature is low, apply it at noon on a sunny day, and apply it in the morning or afternoon when the temperature is high. Sandy soil should not be applied to the grass.
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