01237oam 2200373 a 450 991070141910332120120302162843.0(CKB)5470000002418890(OCoLC)778385775(EXLCZ)99547000000241889020120226d1958 ua 0engurbn|||||||||txtrdacontentcrdamediacrrdacarrierEstimating the amount of crop residue on a field[electronic resource] /[F.L. Duley]Washington, D.C. :U.S. Dept. of Agriculture, Agricultural Research Service, in cooperation with Nebraska Agricultural Experiment Station,1958.1 online resource (31 pages) illustrationsTitle from title screen (viewed on Mar. 2, 2012).Soil conservationSoil managementStubble mulchingSoil conservation.Soil management.Stubble mulching.Duley F. L1407550OCLCEOCLCEGPOBOOK9910701419103321Estimating the amount of crop residue on a field3489345UNINA