Agricultural and Biological Sciences
Cow
72%
Dairy Cows
57%
Nutrient Use Efficiency
57%
Soil Carbon
57%
Methane
57%
Animal Production
57%
Nutrient Management
57%
Carbon Sequestration
57%
Saccharomyces cerevisiae
57%
Greenhouse Gas
57%
Animal Husbandry
57%
Crop Production
52%
Animal Manures
42%
Crop Production
38%
Face
33%
Global Warming
33%
Milk Production
33%
Eutrophication
33%
Milk Yield
29%
Herd Size
19%
Climate Modeling
19%
Farming Systems
19%
Rumen
15%
Cytokine
15%
Volatile Fatty Acid
10%
Supplementation
10%
Farm Surveys
9%
Protein in Feed
9%
Concentrates
9%
Feed Quality
9%
Cluster Analysis
9%
Dairy Cattle
9%
Cattle Feeds
9%
Tumor Necrosis Factor
5%
Butyric Acid
5%
Holstein
5%
Rumen Fluid
5%
Milk Protein
5%
Earth and Planetary Sciences
Nutrient Cycling
100%
China
95%
Crop Production
42%
Animal Husbandry
28%
Environmental Issue
23%
Milk Production
23%
Eutrophication
23%
Global Warming
23%
Decoupling
23%
Resource Use
23%
Animal Production
19%
Environmental Consequence
14%
Scenario Analysis
9%
Nutrient Loss
9%
Environmental Economics
9%