Mixing fertilizers is an important method to improve soil fertility, but fertilizers cannot be blindly abused for simple fertility when mixed, and some contraindications must be observed. Pay attention to the following points when mixing fertilizers:
1. Alkaline fertilizers such as calcium, magnesium and phosphate fertilizers cannot be mixed with ammonium nitrogen fertilizers such as ammonium sulfate, ammonium hydrogencarbonate or ammonium chloride. Otherwise, nitrogen loss will be increased and fertilizer efficiency will be reduced.
Second, human and farm manure and other farmyard manure can not be mixed with calcium and magnesium fertilizer, grass ash, lime and other alkaline fertilizers. Because the main component of human and animal excrement is nitrogen, it will neutralize failure when mixed with strong alkaline fertilizer.
Third, ammonia can not be mixed with human excrement, plant ash, ammonium phosphate, potassium chloride, urea, ammonium bicarbonate and other fertilizers. Ammonium bicarbonate cannot be mixed with plant ash, human excrement, potash and other nitrogen fertilizers. Ammonium sulfate cannot be mixed with plant ash or ammonium bicarbonate. Ammonium nitrate cannot be mixed with grass ash, ammonia water, and the like. The above-mentioned fertilizer mixture will cause acid-base neutralization reaction and reduce fertilizer efficiency.
4. Superphosphate cannot be mixed with alkaline substances such as grass ash, lime nitrogen and lime. Because superphosphate contains free acid and is acidic, the above basic substance contains more calcium. When mixed, it will cause acid-base neutralization reaction, reduce fertilizer efficiency, and calcium will fix phosphorus.
5. Fertilizers cannot be mixed with biological bacteria such as rhizobium fertilizer. Because chemical fertilizers have strong corrosiveness, volatility and water absorption, mixing with biological fertilizers will kill or inhibit the growth and development of microorganisms, and make the fertilizers ineffective.
1. Alkaline fertilizers such as calcium, magnesium and phosphate fertilizers cannot be mixed with ammonium nitrogen fertilizers such as ammonium sulfate, ammonium hydrogencarbonate or ammonium chloride. Otherwise, nitrogen loss will be increased and fertilizer efficiency will be reduced.
Second, human and farm manure and other farmyard manure can not be mixed with calcium and magnesium fertilizer, grass ash, lime and other alkaline fertilizers. Because the main component of human and animal excrement is nitrogen, it will neutralize failure when mixed with strong alkaline fertilizer.
Third, ammonia can not be mixed with human excrement, plant ash, ammonium phosphate, potassium chloride, urea, ammonium bicarbonate and other fertilizers. Ammonium bicarbonate cannot be mixed with plant ash, human excrement, potash and other nitrogen fertilizers. Ammonium sulfate cannot be mixed with plant ash or ammonium bicarbonate. Ammonium nitrate cannot be mixed with grass ash, ammonia water, and the like. The above-mentioned fertilizer mixture will cause acid-base neutralization reaction and reduce fertilizer efficiency.
4. Superphosphate cannot be mixed with alkaline substances such as grass ash, lime nitrogen and lime. Because superphosphate contains free acid and is acidic, the above basic substance contains more calcium. When mixed, it will cause acid-base neutralization reaction, reduce fertilizer efficiency, and calcium will fix phosphorus.
5. Fertilizers cannot be mixed with biological bacteria such as rhizobium fertilizer. Because chemical fertilizers have strong corrosiveness, volatility and water absorption, mixing with biological fertilizers will kill or inhibit the growth and development of microorganisms, and make the fertilizers ineffective.
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