Recently, when the author went to the countryside, he discovered that some farmers did not understand the performance of chemical fertilizers and mixed chemical fertilizers blindly, causing some overwintering vegetables to suffer from fertilizer damage and causing unnecessary losses. Now let's explain to the farmer friends which chemical fertilizers cannot be mixed so that they can be used reasonably in production.
1. Superphosphate cannot be mixed with alkaline fertilizers such as grass ash, lime nitrogen, and quicklime. Because calcium superphosphate contains free acid, which is acidic, and the alkaline fertilizer contains more calcium, if the two are mixed, it will cause acid-base reaction, reduce the fertilizer efficiency, and it will cause calcium to fix the phosphorus, resulting in "two loses." .
2. Alkaline fertilizer such as calcium magnesium phosphate cannot be mixed with ammonium nitrogen fertilizer. Because alkaline fertilizers and ammonium nitrogen fertilizers such as ammonium sulfate, ammonium bicarbonate, ammonium chloride, ammonium nitrate, etc., will lead to and increase ammonia loss, reduce fertilizer efficiency.
3. Farmyard manure such as livestock and manure can not be mixed with calcium, magnesium phosphate, grass ash, lime nitrogen, lime and other alkaline fertilizers. Because the main component of human and animal urine is nitrogen, if it is mixed with a strong alkaline fertilizer, it will neutralize and fail.
4. Fertilizer can not be mixed with rhizobia fertilizer and other bacterial fertilizers. Because chemical fertilizers have strong corrosiveness, volatility, and water absorption, if they are used in combination with bacterial fertilizers, they will kill or inhibit viable bacteria and make the fertilizer useless.
5. Ammonia cannot be mixed with human excreta, plant ash, potash, ammonium phosphate, potassium chloride, urea, and ammonium bicarbonate. Ammonium bicarbonate must not be mixed with plant ash, human waste, and potash nitrogen. Ammonium sulfate can not be mixed with plant ash and ammonium bicarbonate. Ammonium nitrate cannot be mixed with grass ash, ammonia, etc. If the fertilizers mentioned above are mixed and applied, they will cause acid-base reactions and reduce the fertilizer efficiency.
6. Phosphate rock, bone powder and other insoluble phosphate fertilizer can not be mixed with alkaline fertilizer such as grass ash, lime ammonia, quicklime, otherwise it will neutralize the organic acids in the soil, make insoluble phosphate fertilizer more difficult to dissolve, vegetables can not absorb and use.
7. Unfamiliar farmyard fertilizers cannot be mixed with ammonium nitrate, because the unripe farmyard manure can only be absorbed and utilized by the crop after decomposition and rot. If it is mixed with ammonium nitrate, the unripe farm manure will undergo nitrogen decomposition during decomposition. Losses, so can not be applied, otherwise both of the nitrogen will be damaged, reducing fertilizer efficiency.
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