Recently, when I went to the countryside, I found that some vegetable farmers did not understand the performance of chemical fertilizers, and blindly applied chemical fertilizers, causing vegetables to suffer from fertilizer damage, causing unnecessary losses. Now I would like to introduce to the vegetable farmers which chemical fertilizers can not be mixed in order to use them reasonably in production.
1. Calcium superphosphate cannot be mixed with alkaline fertilizers such as grass ash, lime nitrogen, quick lime and so on. Calcium superphosphate contains free acid and exhibits an acidic reaction, and the above alkaline fertilizers contain more calcium. If the two are applied together, it will cause acid-base reaction, reduce fertilizer efficiency, and will fix calcium to phosphorus, resulting in "both losses." .
2. Calcium, magnesium, phosphate and other alkaline fertilizers cannot be mixed with ammonium nitrogen fertilizer. Because the mixed application of alkaline fertilizer and ammonium nitrogen fertilizer such as ammonium sulfate, ammonium carbonate, ammonium chloride, ammonium nitrate, etc., will cause and increase the volatilization loss of ammonia and reduce the fertilizer efficiency.
3. Farm fertilizers such as human and animal manure and urine cannot be mixed with alkaline fertilizers such as calcium, magnesium and phosphate fertilizers, grass ash, lime nitrogen and quick lime. Because the main component of human and animal excrement is nitrogen, if it is mixed with strong alkaline fertilizer, it will be neutralized and invalid.
4. Chemical fertilizer cannot be mixed with bacterial fertilizer such as rhizobia fertilizer. Because chemical fertilizer has strong corrosiveness, volatility and water absorption, if it is mixed with bacterial fertilizer, it will kill or inhibit live bacteria and make the fertilizer ineffective.
5. Ammonia cannot be mixed with human waste, plant ash, potassium fertilizer, ammonium phosphate, potassium chloride, etc .; ammonium carbonate cannot be mixed with plant ash, human waste, potassium fertilizer; ammonium sulfate cannot be mixed with vegetable ash, ammonium carbonate; ammonium nitrate Can not be mixed with grass ash, ammonia, etc. If mixed, it will cause acid-base reaction and reduce fertilizer efficiency.
6. Insoluble phosphate fertilizers such as phosphate rock powder and bone meal cannot be mixed with alkaline fertilizers such as grass ash, lime ammonia and quick lime. If mixed, it will neutralize the organic acids in the soil, making the insoluble phosphate fertilizer more difficult to dissolve, and the vegetables cannot be absorbed and utilized.
7. Unripe farm manure cannot be mixed with ammonium nitrate. Unfermented farm manure cannot be absorbed and used by vegetables until it is decomposed and rotted. If mixed with ammonium nitrate, the unfermented farm manure will lose nitrogen during the decomposition process. Damage and reduce fertilizer efficiency.
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