> 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/introduction-1/basin-1/parameters.bsn/rsd_decomp.md).

# rsd\_decomp

The fraction of residue that will decompose in a day assuming optimal moisture, temperature, C:N ratio, and C:P ratio.