The question about whether foliar fertilizers and pesticides can be mixed should be based on the specific introduction of the drugs. You should read the instructions carefully before mixing the chemicals. In fact, the properties of various fertilizers and pesticides will be different. If the mixing is unreasonable, it will affect the effect of using fertilizers and medicines, and even produce fertilizers and phytotoxics.
Matters needing attention when mixing foliar fertilizer with pesticides
Make sure that the shape of the foliar fertilizer and pesticide is stable after mixing. This is because foliar fertilizer may chemically or physically react with pesticides, affecting the effectiveness of pesticides or causing phytotoxicity. If the liquid has poor performance, it is not suitable for mixed use. Even if the physical properties of the liquid are good after mixing, a small-scale test should be carried out to see if there is any damage or phytotoxicity, and then use it in a large area.
Pay attention to the order of mixing foliar fertilizers and pesticides. Generally, a sufficient amount of water is first prepared with a single dose of the drug solution, and then the other solution is diluted with the solution; instead, the two single agents may not be mixed first, and then diluted with water to avoid adverse reactions, resulting in effective Destruction of ingredients and deterioration of physical properties.
Pay attention to the use of water when mixing. Water has a great influence on the liquid medicine, and the pH and ion concentration of the water will affect the effect. It is better to use medicinal water with neutral water with low ion concentration, such as clean rain water and river water.
Pay attention to the current use. Although there is no adverse reaction at the time of the drug solution, it is easy to produce a slow reaction for a long time, which may result in loss of efficacy or susceptibility to phytotoxicity. If some pesticides are stable under weak alkaline conditions, they should also be used immediately. If they are placed for a long time, they will be ineffective.
Taboo use of pesticides mixed with pesticides
1. Alkaline pesticides cannot be mixed with ammonium fertilizers such as ammonium nitrogen fertilizer and superphosphate. Otherwise, ammonia will be lost and the fertilizer efficiency will be reduced.
2, arsenic-containing pesticides can not be mixed with potassium salts, sodium salt fertilizers, otherwise it will produce soluble arsenic and cause phytotoxicity.
3, alkaline fertilizers such as ammonia, lime, grass ash, etc. can not be mixed with pesticides and other pesticides, otherwise it will reduce the efficacy.
4. Chemical fertilizers cannot be mixed with microbial pesticides. Because chemical fertilizers are volatile and corrosive, they can be mixed with microbial pesticides such as acaricidal bacteria and green worms to kill microorganisms and reduce the efficacy.
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