> For the complete documentation index, see [llms.txt](https://swatplus.gitbook.io/io-docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://swatplus.gitbook.io/io-docs/theoretical-documentation/section-6-management-practices/filter-strips-and-grassed-waterways/filter-strips.md).

# Filter Strips

- [Empirical Model Development](https://swatplus.gitbook.io/io-docs/theoretical-documentation/section-6-management-practices/filter-strips-and-grassed-waterways/filter-strips/empirical-model-development.md)
- [Sediment Reduction Model](https://swatplus.gitbook.io/io-docs/theoretical-documentation/section-6-management-practices/filter-strips-and-grassed-waterways/filter-strips/sediment-reduction-model.md)
- [Nutrient Reduction Models](https://swatplus.gitbook.io/io-docs/theoretical-documentation/section-6-management-practices/filter-strips-and-grassed-waterways/filter-strips/nutrient-reduction-models.md)
- [Total Nitrogen](https://swatplus.gitbook.io/io-docs/theoretical-documentation/section-6-management-practices/filter-strips-and-grassed-waterways/filter-strips/nutrient-reduction-models/total-nitrogen.md)
- [Nitrate Nitrogen](https://swatplus.gitbook.io/io-docs/theoretical-documentation/section-6-management-practices/filter-strips-and-grassed-waterways/filter-strips/nutrient-reduction-models/nitrate-nitrogen.md)
- [Total Phosphorus](https://swatplus.gitbook.io/io-docs/theoretical-documentation/section-6-management-practices/filter-strips-and-grassed-waterways/filter-strips/nutrient-reduction-models/total-phosphorus.md)
- [Soluble Phosphorus](https://swatplus.gitbook.io/io-docs/theoretical-documentation/section-6-management-practices/filter-strips-and-grassed-waterways/filter-strips/nutrient-reduction-models/soluble-phosphorus.md)
- [VFS SWAT+ Model Structure](https://swatplus.gitbook.io/io-docs/theoretical-documentation/section-6-management-practices/filter-strips-and-grassed-waterways/filter-strips/vfs-swat+-model-structure.md)