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TeachMeFinance.com - explain Soil loss tolerance (T value) Soil loss tolerance (T value) The term 'Soil loss tolerance (T value) ' as it applies to the area of agriculture can be defined as ' For a specific soil, the maximum average annual soil loss expressed as tons per acre per year that will permit current production levels to be maintained economically and indefinitely. T values range from 2 to 5 tons per acre per year. According to the 1992 national resources inventory, about 63 million acres of highly erodible cropland are still eroding at more than their T value, including 21 million acres that are still eroding at three times T'. Previous 5 Terms: Soil conservation Soil Conservation and Domestic Allotment Act of 1936 Soil conservation district Soil Conservation Service (SCS) soil horizons Next 5 Terms: Soil moisture Soil moisture zone Soil quality (health) Soil series Soil solarization About the author Mark McCracken Author: Mark McCracken is a corporate trainer and author living in Higashi Osaka, Japan. He is the author of thousands of online articles as well as the Business English textbook, "25 Business Skills in English". Copyright © 2005-2011 by Mark McCracken, All Rights Reserved. TeachMeFinance.com is an informational website, and should not be used as a substitute for professional medical, legal or financial advice. Information presented at TeachMeFinance.com is provided on an "AS-IS" basis. Please read the disclaimer for details.