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
Famous quotes containing the words optimum, water, content and/or tillage:
“Everywhere—all over Africa and South America ... you see these suburbs springing up. They represent the optimum of what people want. There’s a certain sort of logic leading towards these immaculate suburbs. And they’re terrifying, because they are the death of the soul.... This is the prison this planet is being turned into.”
—J.G. (James Graham)
“It is so manifestly incompatible with those precautions for our peace and safety, which all the great powers habitually observe and enforce in matters affecting them, that a shorter water way between our eastern and western seaboards should be dominated by any European government, that we may confidently expect that such a purpose will not be entertained by any friendly power.”
—Benjamin Harrison (1833–1901)
“Whoever is content with the world, and who profits from its lack of justice, does not want to change it.”
—Friedrich Dürrenmatt (1921–1990)
“Sweet smiling village, loveliest of the lawn,
Thy sports are fled and all thy charms withdrawn;
Amidst thy bowers the tyrant’s hand is seen,
And desolation saddens all thy green;
One only master grasps the whole domain,
And half a tillage stints thy smiling plain;”
—Oliver Goldsmith (1730?–1774)