LEADER 01749oam 2200445Ia 450 001 9910701742003321 005 20120607115058.0 035 $a(CKB)5470000002420679 035 $a(OCoLC)776862875 035 $a(EXLCZ)995470000002420679 100 $a20120215d2011 ua 0 101 0 $aeng 135 $aurmn||||a|||| 181 $ctxt$2rdacontent 182 $cc$2rdamedia 183 $acr$2rdacarrier 200 10$aTen-year results from the Long-Term Soil Productivity Study in aspen ecosystems of the northern Great Lakes region$b[electronic resource] /$fRichard Voldseth, Brian Palik, John Elioff 210 1$aNewtown Square, PA :$cU.S. Dept. of Agriculture, Forest Service, Northern Research Station,$d[2011] 215 $a1 online resource (24 pages) $cillustrations (some color), map 225 1 $aResearch paper NRS ;$v17 300 $aTitle from title screen (viewed on June 7, 2012). 300 $a"September 2011"--P. ii. 300 $aIncludes bibliographical references (p. 18-20). 606 $aForest soils$zGreat Lakes Region (North America) 606 $aHumus$zGreat Lakes Region (North America) 606 $aSoil productivity$zGreat Lakes Region (North America) 615 0$aForest soils 615 0$aHumus 615 0$aSoil productivity 700 $aVoldseth$b Richard$01412400 701 $aPalik$b Brian$01412401 701 $aElioff$b John$01412402 712 02$aUnited States.$bForest Service.$bNorthern Research Station. 801 0$bUUS 801 1$bUUS 801 2$bGPO 906 $aBOOK 912 $a9910701742003321 996 $aTen-year results from the Long-Term Soil Productivity Study in aspen ecosystems of the northern Great Lakes region$93505850 997 $aUNINA