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The first seedling grows about 20 cm, the weeds are young, and the concentration of each backpack is 125 ml. Pay attention to the leaves as much as possible.
The second seedling grows about 30 cm, and the base of the seedling has been semi-lignified. The range of the row spacing can be expanded, and the concentration of the drug is 150 ml.
The third seedling grows more than 40 cm, and the base of the seedling is lignified. The concentration of 200 ml can be sprayed on the nursery ground. When the medicine is used, 2% of the water content of each bag of soap powder is mixed, and the best is selected on the sunny day. After the medicine, four It rains in the hour and must be refilled.
Application of glyphosate herbicide in seedling production
Glyphosate has a great killing effect on weeds and crops for the purpose of destroying plant chlorophyll. Therefore, users should be cautious in taking drugs, and the liquid can not touch the foliage of crops. It is generally suitable for barren hills, ridges, roadsides, trenches or The underground weeds of the seedlings, but as long as they are used properly, they can also be used in the seedling nursery. When cultivating a large area of ​​chestnut seedlings, we use a Coke bottle to cut into a trumpet and attach it to the nozzle to spray on the ground to prevent weeds. If the liquid is applied to the crop for a long time, first remove some of the weeds and remove the weeds from the roots of the seedlings, then spray them, and then first dilute and then concentrate according to the crop growing season:
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