1. Under the misleading view that “the more fertilization results in more productionâ€, the amount of chemical fertilizer is irrespective of the cost, and the phenomenon of blindly investing in fertilizer is common.
2. The imbalance of nitrogen, phosphorus and potassium nutrients. The nitrogen, phosphorus and potassium nutrients at the end of the fertilized material can play a role in regulating the nutrient status of the soil. It is not suitable for the requirements of the crops and can not reach the goal of high yield, high quality and high efficiency.
3. Unreasonable selection of fertilizer types and improper fertilization methods. In the cultivation of facilities, the use of highly volatile nitrogen fertilizers such as ammonium bicarbonate: using compound fertilizers as topdressing, resulting in the waste of phosphorus and potassium resources: With the large amount of nitrogen topdressing fertilizer, causing large amounts of nitrogen, leaching.
4. Organic fertilizer is not harmlessly treated.
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