Fertilizers, pesticides, and hormones are the main means of production for agricultural production and play an important role in ensuring agricultural production and increasing farmers' income. With the development of society, in order to increase labor efficiency and increase economic benefits, farmers often use two or more chemical fertilizers, pesticides, and hormones in their production. Scientific and rational compounding can improve ergonomics, fertilizer efficiency, and efficacy. If blended blindly, it will fail or even cause harm. This article gives a brief introduction to the principles that should be followed when mixing chemical fertilizers, pesticides, and hormones, as well as the precautions for mixing them.
First, the principle that chemical fertilizers, pesticides, and hormones should be used should be followed. First, after mixing, it can maintain its original physical and chemical properties, and its fertilizer, efficacy, and hormones can all be used. Second, acid-base neutralization does not occur between mixtures. Chemical reactions such as precipitation, hydrolysis, and salting out; third, the mixture will not produce toxic effects on crops; Fourth, the components of the mixture are more consistent in drug efficacy time, application site, and object of use, and can fully exert their own effect. Fifth, in the absence of certainty, the test can be conducted in a small area, and it can be mixed only when no adverse effects are proved.
Second, chemical fertilizers, pesticides, hormones mixed precautions Mixed fertilizers and pesticides In general, solid pesticides and fertilizers can be directly mixed, the requirements are not very strict, and solid-liquid mixing or liquid-liquid mixing should first consider the changes that may occur after mixing, Therefore, the following aspects should be paid attention to in the mixture of fertilizers and fertilizers: First, alkaline pesticides such as Bordeaux mixture, lime sulfur, and pine gum mixture cannot be combined with ammonium, ammonium sulfate, ammonium nitrate, ammonium chloride, etc., ammonium nitrogen or superphosphate. Mixing, otherwise it is easy to produce ammonia volatilization or precipitation, thereby reducing fertilizer efficiency; Second, alkaline fertilizers such as ammonia, lime, plant ash can not be associated with trichlorfon, dimethoate, fast carbazole, methamidophos, thiophanate, gangia The use of pesticides such as vegetarian, carbendazim, leafhopper powder, insecticides and other insecticides, because most of the organic phosphorus pesticides will easily decompose and fail under alkaline conditions. Third, chemical fertilizers can not be mixed with microbial pesticides, because chemical fertilizers are volatile and corrosive. If they are mixed with microbial pesticides such as acaricidal bacteria and adult worms, they can kill microorganisms and reduce the control effect. Fourth, arsenic-containing pesticides cannot be mixed with potassium salts, sodium salts, etc. For example, if calcium arsenate, aluminum arsenate, etc. are mixed with potassium salts and sodium salts, soluble arsenic will be produced and phytotoxicity will occur. Among all fertilizers used, fertilizers and herbicides are the most mixed, followed by pesticides and fungicides.
Mixed fertilizer and chemical fertilizer First, superphosphate can not be mixed with alkaline fertilizer such as grass ash, lime nitrogen, lime, otherwise it will reduce the effectiveness of phosphorus; phosphate rock, bone powder and other insoluble phosphate fertilizer can not be with ash, lime nitrogen, lime Such alkaline fertilizers are mixed, otherwise organic acids in the soil are neutralized, making insoluble phosphate fertilizers more difficult to dissolve and crops unable to absorb and use. Second, alkaline fertilizer such as calcium magnesium phosphate fertilizer can not be mixed with ammonium nitrogen fertilizer, because if alkaline fertilizers and ammonium nitrogen fertilizer, will increase ammonia volatilization, reduce losses. Third, chemical fertilizers cannot be mixed with bacterial fertilizers, because they are highly absorbent, corrosive, and volatile. If they are mixed with rhizobia and other bacterial microbes, they will kill or inhibit viable bacteria and make bacterial fertilizers ineffective.
Pesticides and Pesticides Mixed Pesticides and Pesticides are a complex issue. Not all pesticides can be mixed. The following points should be noted in the mixing process: First, pH is an important factor that affects the effectiveness of each component. Under alkaline conditions, dithiocarbamate fungicides such as carbamates, pyrethroid vinegar insecticides, thiram, and thiophene rings are prone to hydrolysis or complex chemical changes, thereby destroying the original structure. Under acidic conditions, 2,4-D sodium salt, 2A 4-chlorosodium salt, amitraz, etc. will decompose, thus reducing the efficacy. Second, organic sulfur and organic phosphorus pesticides can not be mixed with pesticides containing copper formulations. For example, dithiocarbamate fungicides and 2,4-D salts herbicides are mixed with copper agents and lose their activity due to complexation with copper ions. Third, microbial source insecticides and systemic organophosphate insecticides cannot be mixed with fungicides. Fourth, the use of emulsifiable concentrates or wettable powders requires no delamination, oil slick, or precipitation. Fifth, chemical hazards should be avoided in the mixture. Chemical changes in the active ingredients of the mixture may cause phytotoxicity. For example, the use of lime sulfur mixed with Bordeaux mixture can produce harmful copper sulfide and increase soluble copper ion content. Butachlor cannot be mixed with organic phosphorus and carbamate insecticides.
Hormones and pesticides and chemical fertilizers can be used to identify whether hormones can be mixed with other pesticides and chemical fertilizers. The simplest method is to combine agricultural hormones with pesticides or chemical fertilizers in the same container and mix them into a solution. If there is no oil, The phenomenon of knots, sedimentation or discoloration, heat generation, bubble generation, etc., indicates that they can be mixed.
First, the principle that chemical fertilizers, pesticides, and hormones should be used should be followed. First, after mixing, it can maintain its original physical and chemical properties, and its fertilizer, efficacy, and hormones can all be used. Second, acid-base neutralization does not occur between mixtures. Chemical reactions such as precipitation, hydrolysis, and salting out; third, the mixture will not produce toxic effects on crops; Fourth, the components of the mixture are more consistent in drug efficacy time, application site, and object of use, and can fully exert their own effect. Fifth, in the absence of certainty, the test can be conducted in a small area, and it can be mixed only when no adverse effects are proved.
Second, chemical fertilizers, pesticides, hormones mixed precautions Mixed fertilizers and pesticides In general, solid pesticides and fertilizers can be directly mixed, the requirements are not very strict, and solid-liquid mixing or liquid-liquid mixing should first consider the changes that may occur after mixing, Therefore, the following aspects should be paid attention to in the mixture of fertilizers and fertilizers: First, alkaline pesticides such as Bordeaux mixture, lime sulfur, and pine gum mixture cannot be combined with ammonium, ammonium sulfate, ammonium nitrate, ammonium chloride, etc., ammonium nitrogen or superphosphate. Mixing, otherwise it is easy to produce ammonia volatilization or precipitation, thereby reducing fertilizer efficiency; Second, alkaline fertilizers such as ammonia, lime, plant ash can not be associated with trichlorfon, dimethoate, fast carbazole, methamidophos, thiophanate, gangia The use of pesticides such as vegetarian, carbendazim, leafhopper powder, insecticides and other insecticides, because most of the organic phosphorus pesticides will easily decompose and fail under alkaline conditions. Third, chemical fertilizers can not be mixed with microbial pesticides, because chemical fertilizers are volatile and corrosive. If they are mixed with microbial pesticides such as acaricidal bacteria and adult worms, they can kill microorganisms and reduce the control effect. Fourth, arsenic-containing pesticides cannot be mixed with potassium salts, sodium salts, etc. For example, if calcium arsenate, aluminum arsenate, etc. are mixed with potassium salts and sodium salts, soluble arsenic will be produced and phytotoxicity will occur. Among all fertilizers used, fertilizers and herbicides are the most mixed, followed by pesticides and fungicides.
Mixed fertilizer and chemical fertilizer First, superphosphate can not be mixed with alkaline fertilizer such as grass ash, lime nitrogen, lime, otherwise it will reduce the effectiveness of phosphorus; phosphate rock, bone powder and other insoluble phosphate fertilizer can not be with ash, lime nitrogen, lime Such alkaline fertilizers are mixed, otherwise organic acids in the soil are neutralized, making insoluble phosphate fertilizers more difficult to dissolve and crops unable to absorb and use. Second, alkaline fertilizer such as calcium magnesium phosphate fertilizer can not be mixed with ammonium nitrogen fertilizer, because if alkaline fertilizers and ammonium nitrogen fertilizer, will increase ammonia volatilization, reduce losses. Third, chemical fertilizers cannot be mixed with bacterial fertilizers, because they are highly absorbent, corrosive, and volatile. If they are mixed with rhizobia and other bacterial microbes, they will kill or inhibit viable bacteria and make bacterial fertilizers ineffective.
Pesticides and Pesticides Mixed Pesticides and Pesticides are a complex issue. Not all pesticides can be mixed. The following points should be noted in the mixing process: First, pH is an important factor that affects the effectiveness of each component. Under alkaline conditions, dithiocarbamate fungicides such as carbamates, pyrethroid vinegar insecticides, thiram, and thiophene rings are prone to hydrolysis or complex chemical changes, thereby destroying the original structure. Under acidic conditions, 2,4-D sodium salt, 2A 4-chlorosodium salt, amitraz, etc. will decompose, thus reducing the efficacy. Second, organic sulfur and organic phosphorus pesticides can not be mixed with pesticides containing copper formulations. For example, dithiocarbamate fungicides and 2,4-D salts herbicides are mixed with copper agents and lose their activity due to complexation with copper ions. Third, microbial source insecticides and systemic organophosphate insecticides cannot be mixed with fungicides. Fourth, the use of emulsifiable concentrates or wettable powders requires no delamination, oil slick, or precipitation. Fifth, chemical hazards should be avoided in the mixture. Chemical changes in the active ingredients of the mixture may cause phytotoxicity. For example, the use of lime sulfur mixed with Bordeaux mixture can produce harmful copper sulfide and increase soluble copper ion content. Butachlor cannot be mixed with organic phosphorus and carbamate insecticides.
Hormones and pesticides and chemical fertilizers can be used to identify whether hormones can be mixed with other pesticides and chemical fertilizers. The simplest method is to combine agricultural hormones with pesticides or chemical fertilizers in the same container and mix them into a solution. If there is no oil, The phenomenon of knots, sedimentation or discoloration, heat generation, bubble generation, etc., indicates that they can be mixed.
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