Water Research · 1983 · 65 citations · 2 references
AgricultureSoil SciencesElemental AnalysisSoil ChemistrySoil Organic MatterNitrogen BalanceNitrogen CycleSoil Nitrogen ChemistrySoil-plant Nutrient RelationsAmmonia Nitrogen AnalysisDigestionNutrient CharacterizationSoil Nitrogen AssessmentSoil Nitrogen Concentration EstimationSoil Nitrogen FractionsTotal Kjeldahl Nitrogen
2