过量使用化肥对环境的污染及防治对策

Environmental Pollution Caused by Excessive Use of Chemical Fertilizers and Countermeasures for Prevention and Control

阐述了过量使用化肥造成环境污染、资源浪费、破坏土壤、水质、大气的危害等现象,并由此提出了合理使用化肥,提高化肥使用利用率的综合途径:提高土壤有机质,减少化肥用量;改进施肥方法及配方施肥;使用尿酶抑制剂及化肥包膜;加强环境保护宣传,提高环保意识。

The article described the environment pollution such as waste of resources, destruction of soil, water quality, atmosphere and so oncaused by overuse chemical fertilizers. This paper put forward a comprehensive approach of using chemical fertilizers reasonably and improving the utilization of chemicai fertilizers, such as increasing soil organic matter and reducing chemical fertilizer dosage; improving fertilization methods and formula fertilization using urease inhibitors and fertilizer coating; strengthening environmental protection and publicity to raise awareness of environmental protection.