Projects per year
Key findings from this overview concluded that standard agricultural practices are the main source of nitrogen and phosphorus pollution rather than poor nutrient management practices in Scotland. Spatial modelling showed that surface runoff and erosion are the principal source of phosphorus loss in arable soils while phosphorus loss through drains is also a key pathway, particularly in improved grasslands on soils with artificial drainage. Good soil nutrient management such as the use of a fertiliser plan linked to soil sampling for nutrient status and soil pH is a simple and cost-effective measure for minimising pollutant losses. Finally, it was found that more research is needed across all pathways and there are many knowledge gaps, particularly being able to quantify diffuse pollution from ‘hotspots’ in fields within Scottish catchments and our understanding of the impacts of recommended preventative measures and solutions on water quality.
|Publisher||Centre of Expertise for Waters|
|Number of pages||96|
|Publication status||Print publication - 31 Jan 2022|
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in this paper are attributable to the author(s) who contribute to the activities of CREW and do not necessarily represent those of the host institutions or funders.
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Pathways of Diffuse Pollution to the Water Environment; state of knowledge and communicating best practice
11/02/19 → 30/06/21