LEADER 01204oam 2200385 450 001 9910711679203321 005 20181203125256.0 035 $a(CKB)5470000002485267 035 $a(OCoLC)1076491605 035 $a(EXLCZ)995470000002485267 100 $a20181128d2013 ua 0 101 0 $aeng 135 $aurmn||||||||| 181 $ctxt$2rdacontent 182 $cc$2rdamedia 183 $acr$2rdacarrier 200 00$aHealthy soils are: covered all the time 210 1$a[Washington, D.C.] :$cNatural Resources Conservation Service,$d[2013] 215 $a1 online resource (2 unnumbered pages) $ccolor illustrations 300 $a"Unlock the secrets in the soil." 517 $aHealthy soils are 606 $aSoil microbiology$zUnited States 606 $aCover crops$zUnited States 606 $aSoil productivity$zUnited States 615 0$aSoil microbiology 615 0$aCover crops 615 0$aSoil productivity 712 02$aUnited States.$bNatural Resources Conservation Service, 801 0$bAGL 801 1$bAGL 801 2$bGPO 906 $aBOOK 912 $a9910711679203321 996 $aHealthy soils are: covered all the time$93324050 997 $aUNINA