搜索结果: 1-3 共查到“水文学 Agricultural Practices”相关记录3条 . 查询时间(0.145 秒)
An Attempt to Reduce Nitrate Content in Ground Water Used for Municipal Water Supply by Changing Agricultural Practices
Nitrate Content Ground Water Water Supply Agricultural Practices
2009/10/28
The heavy use of manure and fertilizers has in some parts of Sweden resulted
in unacceptable concentrations of nitrate in ground water used for private and
municipal water supply. In Halland for exa...
Effect on nitrate concentration in stream water of agricultural practices in small catchments in Brittany: II. Temporal variations and mixing processes
nitrate diffuse pollution groundwater seasonal variations
2009/3/17
In catchments with impervious bedrock, the nitrate concentrations in streamwater often show marked seasonal and small inter-annual variations. The inter-annual trends are usually attributed to changes...
Effect on nitrate concentration in stream water of agricultural practices in small catchments in Brittany: I. Annual nitrogen budgets
nitrate diffuse pollution agricultural catchment
2009/3/17
The hydrological and biogeochemical monitoring of catchments has become a common approach for studying the effect of the evolution of agricultural practices on water resources. In numerous studies, t...