Keyphrases
Cropland
100%
Protocol Development
100%
Soil Organic Carbon Storage
100%
Soil Organic Carbon Sequestration
100%
Soil Organic Carbon Loss
100%
Soil Organic Carbon
71%
Soil Organic Carbon Level
57%
Sequester
42%
Agricultural Land
28%
Atmospheric CO2
28%
No-tillage System
28%
Land Unit
28%
Soil Humus
28%
Sampling Methods
14%
Manure
14%
Developing Method
14%
Carbon Dioxide CO2
14%
Greenhouse Gas
14%
Organic Solids
14%
Fossil Fuels
14%
Land Area
14%
Atmospheric State
14%
Agricultural Systems
14%
Land Use Change
14%
Row Crops
14%
Crop Use
14%
Grassland
14%
Crop Rotation
14%
Deforestation
14%
Cover Crops
14%
Plant Residues
14%
Moldboard Plow
14%
Synthetic Fertilizer
14%
Atmospheric Carbon
14%
Agricultural Management
14%
Equivalent Soil Mass
14%
Laboratory Methods
14%
Mass Sampling
14%
Area Use
14%
Organic Fertilizer
14%
Agroforestry
14%
Long-term Climate Change
14%
Plot Area
14%
Earth and Planetary Sciences
United States of America
100%
Carbon Sequestration
100%
Farmland
100%
Soil Organic Carbon
100%
Atmospherics
25%
Pretreatment
18%
Zero Tillage
12%
Humus
12%
Carbon Dioxide
6%
Experimental Design
6%
Planetary Atmosphere
6%
Fossil Fuel
6%
Climate Change
6%
Deforestation
6%
Greenhouse Gas
6%
Land Use Change
6%
Grassland
6%
Cover Crop
6%
Crop Rotation
6%
Farming System
6%
Agricultural Management
6%
Agroforestry
6%
Liming
6%
Plant Residue
6%
Organic Solid
6%
Organic Fertilizer
6%
Agricultural and Biological Sciences
Carbon Sequestration
100%
Cropland
100%
Soil Organic Carbon
100%
Pretreatment
18%
Arable Land
12%
No-Tillage
12%
Humus
12%
Climate Change
6%
Greenhouse Gas
6%
Fossil Fuel
6%
Forest Management
6%
Experimental Design
6%
Grassland
6%
Cover Crop
6%
Land Use Change
6%
Deforestation
6%
Moldboard Plows
6%
Liming
6%
Plant Residue
6%
Organic Fertilizer
6%
Agroforestry
6%