Wisconsin's new practice standard, "Amending Soil Properties with Gypsum Products - Code 333" is listed in Section IV of Wisconsin NRCS's electronic Field Office Technical Guides available through Wisconsin county NRCS office websites.
Code 333 lists three distinct conservation purposes for gypsum applications, including:
In Wisconsin, the gypsum practice has been set as an interim practice in the Great Lakes Restoration Initiative areas only. This area covers parts of four counties (Outagamie, Brown, Winnebago and Calument) in the Lower Fox Watershed.
Code 333 provides details about recommended application timing, application rates and other management strategies. Check out information about Glacierland Resource Conservation & Development Field Day.
The Wisconsin NRCS documents also includes a detailed Agronomy Technical Note with criteria for gypsum rates, site eligibility and other technical criteria.
Factsheet. For more information, visit your local NRCS office.