摘要
磷肥是农业生产中不可缺少的化学肥料之一,作为一种限制性和不可再生资源,它对区域乃至全球的食品安全都至关重要。同时由于它对地表水体的贡献,引起世界尤其是中国的水体环境污染问题日益突出。本文讨论了我国磷资源现状和磷素引起的面源污染问题,并就应对磷资源枯竭和磷肥施用不当引起的面源污染问题提出了相应的解决对策。
Phosphorus is indispensable chemical fertilizer for agricultural use.Being a limited resource,it is important for regional,as well as global food security.At the same time it causes pollution problem for the aquatic environment in world,especially in china,since it contributes to eutrophication of surface water.The paper discusses the current situation of phosphorus resources and the non-point pollution,Countermeasures against exhaustion of phosphorus resources and non-point pollution are also put forward.
出处
《辽宁农业科学》
2011年第6期36-40,共5页
Liaoning Agricultural Sciences
基金
辽宁省教育厅科学研究项目(L2020192)
关键词
磷资源
磷肥
面源污染
缓控释肥
Phosphorous resource
Phosphate fertilizer
Non-point pollution
Slowly and controlled release fertilizer
