Agriculture & Biology
soil carbon
100%
bioenergy
91%
biomass production
72%
production technology
69%
greenhouses
59%
soil
41%
nutrient retention
13%
environmental management
13%
pollution control
13%
carbon sinks
12%
fossil fuels
12%
forestry
10%
land use
10%
fertilizer application
9%
organic matter
9%
climate change
8%
legumes
8%
pastures
8%
environmental factors
6%
nutrients
6%
leaves
4%
Earth & Environmental Sciences
bioenergy
92%
production system
88%
soil carbon
84%
biomass
50%
loss
43%
soil
35%
Western world
15%
nutrient
13%
foliage
11%
farming system
11%
carbon stock
11%
cropping practice
10%
environmental management
10%
pasture
10%
forestry
9%
fossil fuel
9%
fertilizer
8%
modeling
8%
environmental factor
8%
mitigation
8%
productivity
7%
organic matter
6%
land use
6%
climate change
6%
comparison
4%