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A/feet acre annually Acre yields Alfalfa disced Alfalfa mowed amount of runoff area the alfalfa Bermuda bluegrass BRUNSWICK bushels per acre CARL ROHWER Class III land clean cultivation COLORADO contour corn following meadow corn planter corn was planted cultivated crops D. D. SMITH Drainage basin early cut Erosion losses FARMING February 28 fertilizer attachment fescue field capacity First-year corn following following vetch GEORGIA grass pasture Honeoye silt loam increased irrigated pasture kudzu late cut hay lbs./Ac levels of moisture MISSOURI months cultivation mounted mulch planter nitrogen PAN SOILS pastures received place fertilizer plant nutrient losses plots plowed porosity prepare the seedbed PUERTO RICO rainfall ranch rate of runoff reduced river channel rotation consisting second-year corn sediment production seeded slope SOIL CONSERVATION square mile sugar beets surface mulch surface trash sweep Tehachapi Valley tight layer tons of forage tractor treatment tube vetch residue volume weight water losses wilting point winter cover crops