Soil conservation is the prevention of loss of the topmost layer of the soil from erosion or prevention of reduced fertility caused by over usage, acidification, salinization or other chemical soil contamination.
Erosion barriers on disturbed slope, Marin County, California
Contour plowing in Pennsylvania in 1938. The rows formed slow surface water run-off during rainstorms to prevent soil erosion and allow the water time to infiltrate into the soil.
Salt deposits on the former bed of the Aral Sea
Yellow fungus, a mushroom that assists in organic decay
Natural Resources Conservation Service
Natural Resources Conservation Service (NRCS), formerly known as the Soil Conservation Service (SCS), is an agency of the United States Department of Agriculture (USDA) that provides technical assistance to farmers and other private landowners and managers.
Members of the Little River Soil Conservation District, Columbia County, Georgia, 1957
An alfalfa farm in Montana implementing an Irrigation Water Management Plan with assistance from the Environmental Quality Incentives Program