Keyphrases
Production System
100%
Genotype
100%
Red Clover
100%
Nitrogen Fixation
100%
Nitrogen Transfer
100%
Forage Base
100%
N Transfer
44%
Annual Bluegrass
44%
Growing Season
22%
Mixed Stands
22%
Nitrogen N
11%
Nitrate
11%
Ammonium
11%
Leaching
11%
System Support
11%
Agroecosystem
11%
Synthetic Fertilizer
11%
N Cycling
11%
Grass
11%
Soil Samples
11%
General Trends
11%
N Fixation
11%
Legumes
11%
Environment Pollution
11%
Available nutrients
11%
15N Isotope Dilution
11%
Non-legume
11%
Nfix
11%
N Leaching
11%
N Loss
11%
Agricultural Systems
11%
Interplant
11%
Soil N Cycling
11%
Biological Nitrogen Fixation
11%
Growing Period
11%
Dilution Technique
11%
N Fertilizer Application
11%
Biological Fixation
11%
Agricultural and Biological Sciences
Trifolium pratense
100%
Nitrogen Assimilation
100%
Nitrogen Fixation
100%
Cultivar
88%
Growing Season
22%
Mixed Stands
22%
Biological Nitrogen Fixation
11%
Ammonium Nitrate
11%
Fertilizer Application
11%
Support System
11%
Poaceae
11%
Immunology and Microbiology
Nitrogen Fixation
100%
Red Clover
100%
Cultivar
88%
Poa
44%
Dilution
11%
Mineralization
11%
Poaceae
11%