Keyphrases
Urea
100%
Nitrous Oxide Emission
100%
N2O Emission
71%
Ammonium Nitrate
57%
N Sources
42%
N Cycling
28%
Grain Yield
28%
Laboratory Incubation
28%
Urease Inhibitor
28%
Emission Yields
28%
Enhanced Efficiency
28%
Pennsylvania
14%
Greenhouse Gas
14%
Effective Means
14%
Emission Rate
14%
Amines
14%
Zea Mays
14%
Potential Gains
14%
Rainfall
14%
Growing Season
14%
Fertilizer
14%
N Utilization
14%
Cycling Rate
14%
Fertilizer Application
14%
Nitrogen Fertilizer
14%
Low Emission
14%
Dry Period
14%
Agricultural and Biological Sciences
Grains
100%
Nitrification
100%
Urease
100%
Nitrogen Fertilizer
100%
Maize
50%
Growing Season
50%
Greenhouse Gas
50%
Denitrification
50%
Fertilizer Application
50%