This is the thank you letter from Cliff Wakefield after using the Heartland
Microbes on his wheat, then on his feed.  700 head of cattle could not keep up with a 300 acre circle of feed.  Imagine taking a hay crop, grazing cattle all on 300 acres, with only 50 lbs of Phos, 1 qt of Microbes and water.
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Heartland Microbes