soil conservation

noun
  1. any of various methods to achieve the maximum utilization of the land and preserve its resources through such controls as crop rotation, prevention of soil erosion, etc.
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British Dictionary definitions for soil conservation

soil conservation

noun
  1. the preservation of soil against deterioration or erosion, and the maintenance of the fertilizing elements for crop production
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012