Environmental science: nitrogen impacts on forest carbon.
Högberg
Peter
P
D001272:Atmosphere / Q000737:chemistry*; D018533:Biomass; D002244:Carbon / Q000378:metabolism*; D004463:Ecology; D049672:History, 19th Century; D049673:History, 20th Century; D006802:Human Activities; D009584:Nitrogen / Q000378:metabolism*; D014197:Trees / Q000378:metabolism*
D002244:Carbon; D009584:Nitrogen