农业工程学报2011，Vol.27Issue(7)：89-95,7.DOI:10.3969/j.issn.1002-6819.2011.07.015
不同养分管理对东北东部半山区地下饮用水硝态氮的影响
Influence of different nutrient management practices on quality of ground drinking water of eastern semi-mountainou regions of Northeast China
摘要
Abstract
In order to discuss effects of different nutrient managements on rural ground drinking water of eastern half mountainous region of northeast china, field experiment was carried out in 2009 and 2010 in Qingyuan city, Liaoning province. The results indicated that, the nitrogen fertilizer amount of conventional nutrient management(CNM), farmland nutrient management(FNM) were 240, 192 kg/hm2 respectively. Comparing with CNM, FNM was decreased by 20% of nitrogen fertilizer amount. Nitrogen agronomy productivity in FNM was significantly improved 22.47%. Groundwater nitrate nitrogen concentration of shallow groundwater area was 1.6 times than that of deep groundwater area. Applied FNM to the demonstration area, groundwater nitrate nitrogen concentration in FNM of the demonstration area with CNM was greatly decreased by 51.19%. Consequently, it was very important to protect rural groundwater source area that FNM reduced the risk of farmland fertilization polluting groundwater.关键词
土壤/地下水/养分/硝态氮/农业面源Key words
soils/groundwater/nutrients/nitrate nitrogen/agricultural non-point source pollution分类
农业科技引用本文复制引用
李平,齐学斌,胡艳玲,高青,胡超,安景文,吕明..不同养分管理对东北东部半山区地下饮用水硝态氮的影响[J].农业工程学报,2011,27(7):89-95,7.基金项目
水专项“东北村镇地下饮用水安全保障适用技术研究与示范”课题(2008ZX07425-004) （2008ZX07425-004）
青年科学基金项目(51009141) （51009141）
中央级公益性科研院所基本科研业务费专项(0032009022) （0032009022）
