2. Quick-acting phosphate fertilizer should not be mixed with alkaline fertilizer. When quick-acting phosphate fertilizers such as superphosphate, heavy superphosphate and alkaline fertilizers are mixed, it will cause degradation of phosphoric acid, reduce the content of water-soluble phosphorus, and reduce the efficiency of phosphate fertilizer.
3. Nitrate nitrogen fertilizer should not be mixed with organic fertilizer. Organic fertilizer contains a lot of organic matter, and in the case of nitrate-nitrogen fertilizer, denitrification will occur under the action of denitrifying bacteria, so that nitrogen is lost. Commonly used nitrate nitrogen fertilizers are ammonium nitrate, sodium nitrate, calcium ammonium nitrate and the like.
4, decomposed organic fertilizer should not be mixed with alkaline fertilizer. Various organic fertilizers with high maturity contain more available nutrients, and nitrogen is mostly in the form of ammonium nitrogen. If mixed with alkaline fertilizer, it will cause ammonia volatilization and reduce the nutrient content of organic fertilizer.
5. Mineral nitrogen fertilizer should not be mixed with unfertilized organic fertilizer. The unfermented organic fertilizer contains a large amount of cellulose, which has less carbon and nitrogen. When the microorganism decomposes cellulose, it absorbs a large amount of mineral nitrogen, converts inorganic nitrogen into organic nitrogen, and delays the fertilizer efficiency of nitrogen fertilizer.
Soil and fertilizer station
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