Nitrogen leaching from agricultural land in Sweden: model calculated effects of measures to reduce leaching loads

Article Abstract:

Several techniques are evaluated to prevent nitrogen leaching in Sweden's agricultural regions. These include catch crops, reduced applications of nitrogen-based fertilizer, spring application of manure with a lower nitrogen complement, and a combination of all three methods; this latter approach decreased total gross load nitrogen by 16%.

Sweden, Statistical Data Included, Prevention, Agricultural chemicals, Water, Nitrogen (Chemical element), Water chemistry, Leaching, Agricultural pollution, Soil nitrogen

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Estimating reduction of nitrogen leaching from arable land and the related costs

Article Abstract:

The European Union Water Framework Directive will require river-basin management plans in order to achieve good ecological status and find the most cost-efficient nitrogen leaching abatement measures. The results indicate that the individual measures cover crop and spring plowing, late termination of lye and fallow and spring application of manure would only reduce nitrogen leaching by 5% to 8%.

Europe, Government domestic functions, Science & research, Protection and preservation, Soil leaching, Watersheds

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Nitrogen leaching from agricultural land in Sweden: standard rates and gross loads in 1985 and 1994

Article Abstract:

Sweden's policy to reduce nitrogen leaching into the Baltic and North Seas has resulted in a significant decrease between 1985 and 1994. The policy was based on data that targeted agricultural use of nitrogen fertilizers as the primary culprit. With the adoption of more efficient fertilizer usage and a decrease in land used for agriculture, nitrogen leaching was reduced from 77,000 tons to 55,000 tons within the nine-year period.

Environmental policy, Nitrogen fertilizers

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