01749oam 2200445Ia 450 991070174200332120120607115058.0(CKB)5470000002420679(OCoLC)776862875(EXLCZ)99547000000242067920120215d2011 ua 0engurmn||||a||||txtrdacontentcrdamediacrrdacarrierTen-year results from the Long-Term Soil Productivity Study in aspen ecosystems of the northern Great Lakes region[electronic resource] /Richard Voldseth, Brian Palik, John ElioffNewtown Square, PA :U.S. Dept. of Agriculture, Forest Service, Northern Research Station,[2011]1 online resource (24 pages) illustrations (some color), mapResearch paper NRS ;17Title from title screen (viewed on June 7, 2012)."September 2011"--P. ii.Includes bibliographical references (p. 18-20).Forest soilsGreat Lakes Region (North America)HumusGreat Lakes Region (North America)Soil productivityGreat Lakes Region (North America)Forest soilsHumusSoil productivityVoldseth Richard1412400Palik Brian1412401Elioff John1412402United States.Forest Service.Northern Research Station.UUSUUSGPOBOOK9910701742003321Ten-year results from the Long-Term Soil Productivity Study in aspen ecosystems of the northern Great Lakes region3505850UNINA