Keyphrases
Nitrate
100%
Transport Mechanism
100%
Agroecosystem
100%
Nitrogen Source
100%
Tile Drainage
100%
Source Mechanism
100%
Nitrogen Transport
100%
Oxygen Isotopes
50%
Nitrification
50%
Isotope Fractionation
50%
Fertilizer
50%
Isotope Data
50%
Isotopic Signature
50%
Lack of Understanding
25%
Complex Field
25%
Management Strategy
25%
Denitrification
25%
Process Controlling
25%
Subsurface Drainage System
25%
Nitrogen Cycle
25%
Agricultural Region
25%
Corn-soybean
25%
Soybean Field
25%
Soil Nitrogen
25%
Isotopic Analysis
25%
Fertilizer Input
25%
Water Storage
25%
Nitrogen Isotope Ratio
25%
Surface Water System
25%
Biogeochemical Transformations
25%
Crop Biomass
25%
Soil Microsite
25%
Legacy Effects
25%
Discharge Variation
25%
Temporal Invariance
25%
Soil Incubation
25%
Soybean Residue
25%
Natural Abundance Nitrogen Isotope
25%
Nitrogen Legacies
25%
Earth and Planetary Sciences
Isotopic Composition
100%
Isotopic Fractionation
100%
Agricultural Ecosystem
100%
Nitrification
100%
Soil Nitrogen
50%
Isotopic Analysis
50%
Water Storage
50%
Nitrogen Cycle
50%
Drainage System
50%
Surface Water System
50%
Denitrification
50%