Fertilizers should not be mixed with rhizobia fertilizer and other bacterial fertilizers because chemical fertilizers have strong corrosiveness, volatility, and water absorption. If they are mixed with bacterial fertilizers, they will kill or inhibit viable bacteria and make the fertilizer ineffective.
Ammonia should not be mixed with human fecal urine, plant ash, potash, ammonium phosphate, potassium chloride, urea, ammonium bicarbonate, etc. Ammonium bicarbonate must not be mixed with plant ash, human waste, and potash nitrogen. Ammonium sulfate cannot be mixed with ash and ammonium bicarbonate. Ammonium nitrate cannot be mixed with grass ash, ammonia, etc. If the fertilizer mentioned above is mixed and applied, it will cause acid-base neutralization reaction and reduce the fertilizer effect.
Phosphate rock powder, bone powder and other insoluble phosphate fertilizers should not be mixed with alkaline fertilizers such as grass ash, lime ammonia, and lime, or they will neutralize the organic acid substances in the soil, making insoluble phosphate fertilizers more difficult to dissolve and crops unable to absorb and use.
Alkaline fertilizer such as calcium magnesium phosphate fertilizer should not be mixed with ammonium ammonia fertilizer because alkaline fertilizers and ammonium ammonia fertilizer such as ammonium sulfate, ammonium bicarbonate, ammonium chloride and other mixed application, will lead to and increase the volatilization loss of ammonia, reduce fertilizer efficiency.
Manure, urine, and other farmyard manure should not be mixed with alkaline fertilizers such as calcium magnesium phosphate, grass ash, and lime, because the main component of human and animal waste is nitrogen. If it is mixed with strong alkaline fertilizers, it will neutralize and fail.
Superphosphate should not be mixed with alkaline fertilizers such as grass ash, lime nitrogen, lime, etc. Because superphosphate contains free acid, it is acidic and the alkaline fertilizer contains more calcium. If the two are mixed, it will cause acid-base reaction. , Reduce fertilizer efficiency, but also make calcium fix phosphorus, resulting in "both lose."
Urea should not be mixed with carbon and ammonia. Since urea is applied to the soil, it must be converted into ammonia before it can be absorbed by crops. Its conversion rate is much slower under alkaline conditions than under acidic conditions. After the carbon ammonia was applied to the soil, the reaction was alkaline and the pH was 8.2-8.4. Mixed use of carbon and ammonia in farmland can greatly reduce the rate of conversion of urea to ammonia, which can easily lead to loss of urea and loss of volatiles. Therefore, urea and carbon ammonia should not be mixed or applied at the same time.
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