Medicine & Life Sciences
Air Pollution
100%
Biofuels
96%
Zea mays
58%
Greenhouse Gases
46%
Soybeans
43%
Particulate Matter
41%
Grassland
41%
Food
39%
Climate Change
32%
Biomass
30%
Ethanol
27%
Fossil Fuels
26%
Fertilizers
26%
Environmental Health
25%
Agriculture
24%
Life Cycle Stages
23%
Gasoline
23%
Health
22%
Ecosystem
21%
Crop Production
19%
Carbon
17%
Nitrogen
17%
Livestock
15%
Electricity
15%
Air
15%
Agrochemicals
14%
Economics
14%
Cost-Benefit Analysis
14%
Costs and Cost Analysis
13%
lignocellulose
12%
Introduced Species
12%
Income
12%
Planets
11%
Aphids
11%
Mortality
10%
Compensation and Redress
10%
Carbon Sequestration
10%
Geography
10%
Pesticides
9%
Insecticides
9%
Population
9%
Petroleum
9%
Environmental Pollutants
8%
Natural Gas
8%
Uncertainty
8%
Medicago sativa
8%
Global Health
7%
Genetic Variation
7%
Hispanic Americans
7%
Carbon Dioxide
7%
Earth & Environmental Sciences
biofuel
68%
maize
42%
air quality
38%
biofuel production
38%
soybean
34%
crop
33%
cropping practice
29%
life cycle
23%
ethanol
21%
bioenergy
20%
land use change
20%
particulate matter
19%
food
18%
herbicide
18%
damage
17%
greenhouse gas emissions
17%
land
16%
human health
16%
atmospheric pollution
15%
health
15%
weed
14%
biomass
14%
fossil fuel
13%
productivity
13%
profitability
13%
crop rotation
13%
biodiversity
13%
marginal land
12%
alfalfa
12%
social cost
12%
weed control
12%
carbon budget
12%
health impact
12%
energy use
11%
air quality impact
11%
effect
11%
environmental impact
11%
prairie
10%
energy crop
10%
targeting
10%
cerrado
10%
hydrologic cycle
10%
mitigation
9%
fertilizer
9%
emission source
9%
ecosystem service
9%
environmental cost
9%
exposure
9%
water budget
9%
economics
9%
Agriculture & Biology
biofuels
57%
air quality
30%
air pollution
26%
energy crops
26%
bioenergy
23%
feedstocks
18%
lignocellulose
17%
corn
17%
profitability
16%
cropping systems
14%
ecosystem services
14%
prairies
14%
greenhouse gas emissions
13%
crops
13%
soybeans
13%
land use change
12%
human health
12%
particulates
11%
Aphis glycines
11%
fossil fuels
11%
life cycle assessment
11%
environmental health
11%
biomass
10%
woody biomass
10%
Midwestern United States
10%
Panicum virgatum
9%
nitrogen fertilizers
9%
wildlife
8%
agrochemicals
8%
buried seeds
8%
life cycle (organisms)
8%
weeds
8%
ammonia
8%
invasive species
7%
uncertainty
7%
grasslands
7%
biomass production
7%
carbon sequestration
7%
biodiversity
7%
death
6%
sulfur oxides
6%
biological control
6%
economics
6%
alfalfa
6%
insecticides
6%
energy
6%
agroecosystems
5%
fuel combustion
5%
urea ammonium nitrate
5%
ethanol
5%