Nitrate losses from agricultural activities mainly fertilizer applications, would substantially enrich the groundwater i......

Nitrate contamination is a common problem in groundwater of the North China Plain (NCP) owing to irrigation and overuse ......

Nitrate(NO3)leaching from agricultural soils represents a substantial loss of fertilizer nitrogen(N)and may lead to cons......

Subsoil denitrification is an important mechanism to reduce nitrate leaching into groundwater.However,factors limiting s......

综述了国外对土壤－作物系统中无机氮的缓冲容量与ＮＯ＾－３淋失的研究情况。介绍了国外在Ｎ肥推荐的安全区概念，在安全区范围内，Ｎ肥推荐不会发生ＮＯ＾－３的......