Environmental Pollution · 2009 · 267 citations · 42 references
AgricultureForestrySoil SciencesSoil EcologySoil FertilitySoil Organic MatterForest ProductivityNitrogen CycleNitrogen CyclingNitrogen ManagementPhosphorus CyclePhosphorus ManagementAtmospheric Nitrogen DepositionNitrogen Fertilization EffectsPhosphorus Effects On Biomass
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Climate Change 2001: The Scientific Basis
Richard N. Cooper, J. T. Houghton, James J. McCarthy et al. · Foreign Affairs · 2002 · 13K citations
Natural Sciences, Earth Sciences, Environmental Sciences +14
N : P ratios in terrestrial plants: variation and functional significance
Sabine Güsewell · New Phytologist · 2004 · 2.4K citations · Full text
Nitrogen Saturation in Northern Forest Ecosystems
John D. Aber, Knute J. Nadelhoffer, Paul A. Steudler et al. · BioScience · 1989 · 2.4K citations
Nitrogen Saturation in Temperate Forest Ecosystems
John D. Aber, William H. McDowell, Knute J. Nadelhoffer et al. · BioScience · 1998 · 1.9K citations · Full text
Natural Sciences, Environmental Policy, Environmental Sciences +12
Soil Survey Horizons · 1962 · 1.7K citations