Keyphrases
Nitrogen Fertilizer
100%
Nitrogen Loss
100%
N Management
100%
Summer Maize
100%
Controlled-release Fertilizer
75%
N Loss
50%
Volatilization
50%
Farmer Practices
50%
NH 3
50%
Best Management Practices
25%
Nitrogen Management
25%
Nitrate Leaching
25%
Fertilizer Application
25%
Nitrogen N
25%
Management Model
25%
N Application
25%
Water Management
25%
Soil Water
25%
Environmental Protection
25%
Fertilizer Management
25%
Water Use Efficiency
25%
Production Area
25%
Nitrogen Use Efficiency
25%
High Grain Yield
25%
Growth Season
25%
Fertilizer Treatment
25%
Shandong Province
25%
N Leaching
25%
Maize Growth
25%
N Fate
25%
Application Practice
25%
Grain Nitrogen
25%
Soil-crop System
25%
High-yield Production
25%
Agricultural and Biological Sciences
Controlled-Release Fertiliser
100%
Grains
33%
Soil Water
33%
Losses from Soil
33%
Fertilizer Application
33%
Best Management Practice
33%
Environmental Protection
33%