Forest Ecology and Management · 1998 · 634 citations · 45 references
AgricultureEcologySoil SciencesForest EcologyNutrient CyclingSoil ChemistryNitrogen BalanceNitrogen CycleNitrogen CyclingNitrogen FixationNitrogen ManagementNitrogen OxidesAtmospheric Nitrogen DepositionBiological Nitrogen CyclingNitrogen Cycling DynamicsNitrogen Fixation In Forest SoilsNitrogen FluxesNitrogen Loss PathwaysNitrous Oxide Cycling
45
WALTER J. MURPHY · Chemical & Engineering News · 1956 · 3.2K citations
Nitrogen Saturation in Northern Forest Ecosystems
John D. Aber, Knute J. Nadelhoffer, Paul A. Steudler et al. · BioScience · 1989 · 2.4K citations
The ammonium hypothesis, An additional explanation to the forest dieback in Europe
B. Nihlgaard · AMBIO · 1985 · 638 citations
Natural Resources, Ecology, Forestry +14