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本文指出了随着农业现代化生产的发展化肥用量增长很快。但长期大量施用化肥势必对农业生态环境带来不良影响,例如导致水体“富营养化”,硝态氮和重金属在土壤和植株体内过分积累,并可通过食物链对一般动物和人体产生危害。但从目前来看,有机肥源不足,从质和量的方面都不能解决植物营养产品的生产问题。因此,减轻和防止对农业环境的污染问题越来越受到重视。要解决这一问题在化肥的施用中应讲究科学施肥,不断提高肥料利用率,适当控制化肥用量。
This paper points out that with the development of modern agricultural production, the use of chemical fertilizers has been growing rapidly. However, long-term large-scale application of fertilizers will inevitably have an adverse impact on the agro-ecological environment. For example, it leads to “eutrophication” of water bodies, excessive accumulation of nitrate nitrogen and heavy metals in soils and plants and harm to animals and humans through the food chain. However, for now, there are not enough organic fertilizer sources, and the production of plant nutrition products can not be solved in terms of quality and quantity. Therefore, reducing and preventing the pollution of agricultural environment is more and more attention. To solve this problem in the application of chemical fertilizers should pay attention to scientific fertilization, and continuously improve fertilizer utilization, appropriate control of fertilizer use.