Fertilizer in the early spring mixed seven attention
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 to farmers' friends, tell us what chemical fertilizers cannot be mixed so that they can be used reasonably in production.
1, superphosphate can not be mixed with grass ash, lime nitrogen, lime and other alkaline fertilizers. 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 reactions, reduce the fertilizer efficiency, and it will cause calcium to fix phosphorus, leading to "two loses." .
2, alkaline fertilizers such as calcium magnesium phosphate fertilizer can not be mixed with ammonium ammonia fertilizer. Because alkaline fertilizers and ammonium nitrogen fertilizers such as ammonium sulfate, ammonium bicarbonate, ammonium chloride, etc., will cause and increase the volatilization loss of ammonia and reduce fertilizer efficiency.
3, manure, urine and other farmyard fertilizer can not be mixed with calcium, magnesium phosphate fertilizer, grass ash, lime and other alkaline fertilizers. Because the main component of human and animal waste is nitrogen, if it is mixed with alkaline fertilizer, it will neutralize and fail.
4, chemical fertilizer can not be mixed with rhizobia fertilizer and other bacterial fertilizers. Because chemical fertilizers are more corrosive, volatile, and water-absorbing, if they are mixed with bacterial fertilizers, they will kill or inhibit viable bacteria and make the fertilizer useless.
5, ammonia can not be mixed with human excreta, plant ash, potash, ammonium phosphate, potassium chloride, urea, ammonium bicarbonate and other mix. 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 grass ash, lime ammonia, lime and other alkaline fertilizers. Otherwise it will neutralize the organic acids in the soil, making insoluble phosphate fertilizer more difficult to dissolve, vegetables can not absorb and use.
7. Unripe farmyard fertilizers cannot be mixed with ammonium nitrate. Because unfamiliar farmyard manures can only be absorbed and utilized by crops after decomposition and rot, if unfermented farm manure is mixed with ammonium nitrate, nitrogen will be lost during the decomposition process, so they cannot be applied together, otherwise both of them will suffer from nitrogen. Loss, reduce fertilizer efficiency.
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