Keyphrases
Isotopic Analysis
100%
Oxygen Isotope Analysis
100%
Nitrate
100%
Conventional Plants
100%
Cultivated Plants
50%
Plant Products
50%
Animal Use
50%
Novel Procedure
50%
Synthetic Fertilizer
50%
Atmospheric Nitrogen
50%
Nitrogen Fixation
50%
Carbon-sulfur
50%
Potato
50%
Wheat Grain
50%
Nitrogen Isotope Analysis
50%
Magnesium
50%
Animal Manure
50%
Legumes
50%
Potato Tuber
50%
Wheat
50%
Faba Bean
50%
Barley
50%
Carbon-nitrogen
50%
Barley Grain
50%
Long-term Field Experiment
50%
Stable Carbon Isotopes
50%
Green Manure
50%
Agricultural and Biological Sciences
Animal Manures
100%
Nitrogen Fertilizer
100%
Grains
100%
Organic Farming
100%
Green Manure
100%
Vicia faba
100%
Plant Product
100%
Engineering
Atmospheric Nitrogen
100%
Hydrogen Isotope
100%
Field Trial
100%
Conventional Plant
100%
Material Science
Nitrogen Fertilizer
100%
Magnesium
100%