Agriculture & Biology
energy crops
78%
crops
73%
organic production
72%
farming systems
57%
Nematoda
54%
willows
44%
soil ecosystems
40%
Miscanthus
38%
soil
35%
ecosystem services
32%
corn
30%
bacterivores
30%
biodiversity
24%
soil biota
24%
Panicum virgatum
23%
soil quality
18%
corn soils
14%
Miscanthus giganteus
14%
Mycosphaerella graminicola
13%
nitrogen cycle
13%
carbon
13%
wheat
12%
soil structure
11%
carbon sequestration
11%
disease susceptibility
11%
soil organic carbon
11%
multidimensional scaling
11%
greenhouse gas emissions
11%
biogeochemical cycles
11%
Thanatephorus cucumeris
10%
sandy soils
10%
greenhouse experimentation
10%
industrial applications
10%
Netherlands
9%
land use
9%
community structure
9%
soil organic matter
9%
biofuels
9%
soil fertility
9%
organic matter
8%
peas
8%
biomass production
8%
growth retardation
8%
Triticum aestivum
8%
barley
7%
quantitative polymerase chain reaction
7%
potatoes
7%
ecosystems
7%
agriculture
7%
predators
7%
microorganisms
6%
fungi
5%
nutrients
5%
pathogens
5%
bacteria
5%
Earth & Environmental Sciences
crop
100%
organic farming
96%
soil process
84%
nematode
78%
bioenergy
77%
farming system
53%
maize
47%
coppice
35%
soil ecosystem
34%
effect
30%
soil biota
27%
ecosystem service
23%
soil
22%
soil quality
18%
wheat
15%
field experiment
15%
agriculture
14%
biodiversity
13%
soil biodiversity
12%
organic matter
12%
barley
11%
potato
11%
nutrient dynamics
10%
agricultural practice
10%
sandy soil
10%
carbon
9%
soil structure
9%
soil fertility
9%
community composition
9%
biofuel
9%
fungus
8%
predator
8%
community structure
8%
soil layer
8%
pathogen
8%
carbon sequestration
8%
greenhouse gas emissions
7%
microorganism
7%
conflict
7%
laboratory experiment
7%
economy
6%
organic carbon
6%
nutrient
6%
bacterium
6%
parameter
5%
land use
5%
biomass
5%
loss
5%
nitrogen
5%
ecosystem
5%
Engineering & Materials Science
Crops
77%
Soils
54%
Ecosystems
24%
Soil quality
20%
Biodiversity
16%
Carbon
13%
Organic carbon
8%
Pathogens
7%
Biological materials
7%
Nutrients
7%
Greenhouses
7%
Land use
6%
Biofuels
6%
Experiments
6%
Gas emissions
5%
Greenhouse gases
5%
Nitrogen
5%
Industrial applications
5%
Biomass
5%