Our American Land

acreage agencies agricul agricultural land American animals annual areas benefits chemicals climate Congress conservation ethic conservation plan conservation practices conservation tillage Constitution costs crop rotations cropland crops damage developed drainage economic ecoregions ecosystems effective environmental farm farmers farmland Federal fertilizer fire flood floodplain Food Security Forest Service forestry grass grasslands grazing growth habitat highly erodible land hydric soils improved increased industry irrigation land users legumes livestock ment million acres Mountain National Forest natural resources offsite ownership pasture percent pest pesticides Pheromones Plains plant production programs protection public domain ranchers range rangeland reclamation reduce regions Research Service runoff servation settlers sion snow snowpack soil and water Soil Conservation Service soil erosion species surface surveys Texas Tech University timber tion trees U.S. Department United urban urban forest USDA vegetation water conservation West western wetlands wilderness wildlife yields