By the time this newsletter hits your mailbox, harvest season will have begun in Iowa and soil sampling will follow shortly behind the combines. Soil sampling is just one part of the soil testing process that eventually leads to fertilizer recommendations, and now soil sampling will be a requirement for those fields receiving manure as part of a state-required manure management plan using the new P-index plans as regulated by the Iowa Department of Natural Resources (IDNR).
Iowa State University
Rieck-Hinz, Angela M., "Soil samping for future manure management plans" (2004). Integrated Crop Management News. 1556.
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