The optimum water content for tillage (OPT) is defined as the moisture content of soil at which tillage produces the largest number of small aggregates.
Read more about Optimum Water Content For Tillage: Overview, Relationships Between Water Content At Field Capacity (FC) and Plastic Limit(PL), Soil Friability
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—J.G. (James Graham)
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—Annie Dillard (b. 1945)
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—William of Occam (c. 1285–1349)
“When tillage begins, other arts follow. The farmers, therefore, are the founders of human civilization.”
—Daniel Webster (1782–1852)