Before revision: 2006. crop rotation conservation tillage contour bundingcontour plowing contour trenching cover crops fiber rolls (also called straw wattles) gabions hydroseeding level spreaders mulching perennial crops plasticulture polyacrylamide (as a coagulant) reforestation riparian buffer riprap strip farming sand fence vegetated waterway (bioswale) terracing windbreaksTennessee Department of Environment and Conservation.
After revision: 2006. crop rotation conservation tillage contour plowing contour trenching cover crops fiber rolls (also called straw wattles) gabions hydroseeding level spreaders mulching perennial crops plasticulture polyacrylamide (as a coagulant) reforestation riparian buffer riprap strip farming sand fence vegetated waterway (bioswale) terracing windbreaksTennessee Department of Environment and Conservation.