The McNay Memorial Research Farm near Chariton is located in the south-central Iowa agroclimatic zone and presents several unique challenges for farmers in that area. The McNay Research Farm is characterized by a series of irregular-shaped upland flats, flanked by gentle-to-steep slopes. The upland flats constitute about 20 percent of the land area.
Iowa State University
Secor, James and Tidman, Michael J., "Southern Iowa tillage results" (1999). Integrated Crop Management News. 2222.
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