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Nov. 1, 2011ST. JOSEPH, MO | By: Swetnam
The summer flooding of the Missouri River may have had a significant impact on soil and the availability of crop nutrients.
Fallow syndrome is not uncommon for flooded soil. It creates a phosphorus deficiency when corn crops are planted. Wayne Flanary with the University of Missouri Extension office Holt county says soil tests should only be conducted once soils dry and returns to normal moisture levels. Flanary also advises adding phosphorus fertilizer to even high testing soils to help crop growth. For more information regarding soil testing of flooded fields contact your University of Missouri Extension office.