What kind of herbicide is used in sweet potato field
Can use sweet potato special herbicides, such as potato Daan, potato worry-free, potato Noble. Among them, Shu Daan is a special herbicide for sweet potato field seedlings, with a dosage of 40ml-50ml per mu and 15 kg of water in each bag (25ml). It can be sprayed on half an acre of land, two bags per mu, and then sprayed on stems and leaves.
1. Shu Daan: the special herbicide after seedling in sweet potato field can not only control all kinds of gramineous weeds in sweet potato field, but also eradicate all kinds of broad-leaved weeds which are very difficult to control. The dosage of 40ml-50ml per mu, that is, 15 kg per bag (25ml) mixed with water, sprayed half an mu of land, two large bags per mu, stirred well, sprayed stems and leaves, and appropriately increased water consumption under high temperature and drought conditions.
2. Worry-free sweet potato: the special herbicide for weeding between rows of sweet potato seedlings is the only post-seedling stem and leaf treatment agent for controlling Gramineae, broadleaf weeds and Cyperaceae weeds at one time in China.
3. Potato Noble: the special herbicide after seedling in sweet potato field can not only control all kinds of gramineous weeds in sweet potato field, but also eradicate all kinds of broad-leaved weeds which are very difficult to control. The dosage of 40ml-50ml per mu, that is, 15 kg per bag (25ml) mixed with water, sprayed half an mu of land, two large bags per mu, stirred well, sprayed stems and leaves, and appropriately increased water consumption under high temperature and drought conditions.
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When do lettuce spray inflatins?
Lettuce enlargin can be used from seedling stage to harvest stage. Generally spray every 8-10 days, 25 grams of each bag with 15-30 kilograms of water is evenly sprayed on the leaves or 1.5-2 bottle caps are added to every 15-20 kilograms of water. After stirring well, each plant can be sprayed with 0.25-0.5 kilograms of water.
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Effect of spraying pepper with potassium dihydrogen phosphate
Spraying pepper with potassium dihydrogen phosphate can promote flower bud differentiation, increase fruit setting rate, promote fruit cap removal, improve fruit firmness, and prevent fruit cracking, fruit rot, fruit drop and so on. It is generally sprayed on the leaves of pepper before flowering, young fruit stage and fruit expansion stage.
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