What should you pay attention to with washing powder to treat aphids?
What should you pay attention to with washing powder to treat aphids? When does it work best? Also ask experienced netizens to help introduce the popular pollution-free food, so many netizens use washing powder to control aphids, such as using synthetic washing powder to control fruit tree aphids, which is safe, non-toxic and economical is the first choice to control aphids. Therefore, the farming network has sorted out the matters needing attention in using washing powder to control aphids, which are listed in detail below for netizens' reference. Note 1, the use of washing powder to control aphids: the washing powder must be fully dissolved with an appropriate amount of boiling water, stir evenly and then add the required amount of water for spray. Mix and spray with cold water and washing powder. As a result of partial granulation, necrotic spots appeared once it adhered to the plant leaves for 5 days. In serious cases, the whole leaf burns to death, and even causes the leaf to fall off. Second, the concentration of washing powder to control aphids: when controlling peach aphids, pear aphids and apple aphids, 0.5 kg washing powder must be mixed with 400 kg water, and when bean aphids, 0.5 kg washing powder should be mixed with 500 kg water. Too high concentration is easy to cause plant drug damage, too low can not achieve the effect of aphid control. Third, the time for washing powder to control aphids: when spraying, it is best to choose the high temperature at noon on a sunny day, and be sure to spray on the surface of aphids, the insecticidal effect can reach more than 95%. Pay attention to the parts where washing powder is sprayed: because aphids are usually clustered on the back and tender tips of leaves, these key parts should be concentrated and evenly sprayed during spraying, so that the liquid of washing powder forms a drug film on the insect body to block the aphid valve and die. What are the underground pests? How to control aphids?
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Which foliar fertilizer can be used for vegetables?
Which foliar fertilizer can be used for vegetables? What is the concentration of foliar fertilizer sprayed on vegetables? Also ask experienced netizens to help introduce that vegetables grow well and are disease-free, which can be achieved by spraying foliar fertilizer, so the planting network has sorted out the foliar fertilizers that can be sprayed on all kinds of vegetables, which are listed below for netizens' reference. ...
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What are the effects of thiophenesulfuron? How to use
What are the effects of thiophenesulfuron? How to use it? Please also ask the netizens who know to help introduce that there are 10%, 15%, 20%, 25% and 75% thiophenesulfuron wettable powder herbicides and 75% thiophene sulfuron water repellent herbicides in the market. For thiophene sulfuron herbicides, there are many netizens who are not very interested in this herbicide.
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