Rehm, G.W., Fenster, W.E., and Overdahl, C.J. 1993. Boron for Minnesota Soils. St. Paul, MN: University of Minnesota Extension Service. AG-FO-0723-B
4 p. Map, photographs.
Rehm, G.W.; Fenster, W.E.; Overdahl, C.J..
Boron for Minnesota Soils.
St. Paul, MN: University of Minnesota Extension Service.
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