The mixed use of agricultural materials should be noted that the mixing effect is good, and the poor mixing may bring serious losses. Therefore, Xiaobian will sort out the following notes:
Mixture between fertilizer and pesticide
1Alkaline pesticides, such as Bordeaux mixture, stone sulphur mixture, rosin mixture, etc., cannot be mixed with ammonium nitrogen fertilizer or ammonium superphosphate such as ammonium carbonate, ammonium sulfate, ammonium nitrate or ammonium chloride, otherwise ammonia volatilization or precipitation may occur. Reduce fertilizer efficiency; 2 alkaline fertilizers such as ammonia, lime, and ash can not be mixed with pesticides such as trichlorfon, dimethoate, acesulfame, nail, Jingganghuo, carbendazim, etc., because most pesticides will occur under alkaline conditions. Decomposition failed. 3 Fertilizer can not be mixed with microbial pesticides, because chemical fertilizers are volatile and corrosive. If mixed with microbial pesticides, it is easy to kill microorganisms and reduce the control effect. In the mixed use of fertilizers, the combination of chemical fertilizer and herbicide is the most, the insecticide is second, and the fungicide is less.
Mixture between fertilizer and fertilizer
1 superphosphate can not be mixed with alkaline fertilizer such as plant ash, lime nitrogen, lime, etc., otherwise it will reduce the effectiveness of phosphorus; phosphate mineral powder, bone powder and other insoluble phosphate fertilizer can not be mixed with alkaline fertilizer such as plant ash, lime nitrogen, lime, etc. Otherwise, the organic acid in the soil is neutralized, making the poorly soluble phosphate fertilizer more difficult to dissolve, and the crop cannot be absorbed and utilized. 2 Alkaline fertilizers such as calcium, magnesium and phosphate fertilizers cannot be mixed with ammonium nitrogen fertilizer, because alkaline fertilizers will accelerate ammonia volatilization if mixed with ammonium nitrogen fertilizer. 3 Chemical fertilizers cannot be mixed with bacterial fertilizers because they have strong water absorption, corrosiveness and volatility. If mixed with bacterial microorganisms such as rhizobia, they will kill or inhibit live bacteria and invalidate bacterial fertilizers.
Mixture between pesticides and pesticides
1 pH is an important factor affecting the effectiveness of each component. Under alkaline conditions, carbamate, pyrethroid insecticides, thiram and other dithiocarbamate fungicides are prone to hydrolysis or complex chemical changes, thereby destroying the original structure. Under acidic conditions, sodium dimethyltetrachloride, amitraz and the like are decomposed, thereby reducing the efficacy. 2 Organic sulfur and organophosphorus pesticides cannot be mixed with pesticides containing copper preparations. For example, a dithiocarbamate fungicide is mixed with a copper preparation and loses its activity due to a chemical reaction with copper ions. 3 microbial source insecticides and systemic organophosphorus pesticides cannot be mixed with fungicides. 4 Emulsifiable oil mixed with wettable powder, requires no stratification, oil slick, precipitation and so on. 5 should avoid the phytotoxicity of the mixture, the chemical composition of the active ingredients in the mixture composition, may cause phytotoxicity, such as the combination of stone sulphur and Bordeaux mixture can produce harmful copper sulphide, also increase the content of soluble copper ions; Amines and the like cannot be mixed with organic phosphorus or carbamate insecticides.
Mixture of hormones with pesticides and fertilizers
The first is to identify whether hormones can be mixed with other pesticides and fertilizers. The easiest way is to mix agricultural hormones with pesticides or fertilizers in the same container and make a solution if there is no oil slick, flocculation, sedimentation or Discoloration, heat generation, bubble generation, etc., indicate that they can be mixed.
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