01.01.70

This was the first stop on the Soil Health Tour, an event that brings farmers, scientists, students and conservationists from across the Midwest to south-central North Dakota’s Burleigh County at the end of each summer. As the name of the tour implies, they come to see thriving soil, and the land does not disappoint on this particular day. Spadefuls of fragrant humus are unearthed, the results of impressive biological and chemical tests are shared, and crop fields and pastures thriving on that soil are put on display. At one stop at a cornfield, a large jar of water sits next to a six-foot deep soil profile trench. Suspended at the top of the jar in a wire cage is a fist-sized clump of soil that came from the cornfield. Even though it’s been immersed in the water as part of this “slaking” test for several hours, the clump is intact and the water remains free of dissolved sediment—a sign that the soil’s quality is so high that it’s able to engineer its own stability. All of this points to a clear-cut conclusion: the farms on this tour are home to some mighty healthy soil.

Source: Twin Cities Daily Planet (blog)

by hppaviliosv@NOSPAM.gazeta.pl

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