Agriculture & Biology
organic production
100%
vegetables
93%
crops
80%
horticulture
75%
peat
71%
farming systems
61%
growing media
60%
farms
59%
soil
59%
soil quality
53%
horticultural crops
52%
nitrogen
52%
economics
51%
soil fertility
51%
leys
50%
green manures
47%
agriculture
42%
soil organic matter
42%
fertilizers
41%
monitoring
37%
vegetable growing
33%
production technology
31%
plastic film mulches
31%
nutrient management
30%
microbial communities
30%
soil physical properties
30%
England
30%
wood residues
29%
green waste
29%
dryland farming
28%
protocols
28%
animal manures
28%
plant fibers
26%
mulches
26%
agricultural management
25%
farm income
25%
biomass
24%
copper
24%
mycorrhizal fungi
24%
biochar
23%
human nutrition
23%
greenhouses
23%
vegan diet
23%
weed control
23%
plastics
23%
leaching
23%
fossil fuels
23%
agricultural soils
22%
saplings
21%
weeds
21%
Earth & Environmental Sciences
farming system
66%
green manure
59%
crop
53%
farm
43%
soil fertility
42%
vegetable
38%
agriculture
30%
dryland farming
30%
agroecology
29%
soil quality
29%
soil
29%
intercropping
29%
nitrate
28%
manure
28%
environmental cost
28%
nitrogen
28%
organic farming
27%
dieback
27%
tree planting
25%
social cost
25%
compost
25%
stakeholder
25%
microbial community
25%
fertility
25%
policy development
24%
agricultural management
24%
agricultural practice
24%
soil amendment
23%
indicator
23%
citizen
22%
colonization
21%
environmental economics
21%
advice
21%
biochar
21%
policy
21%
sustainable management
20%
economic impact
20%
tillage
20%
fungus
20%
cropping practice
20%
agricultural soil
20%
metabolism
20%
spore
19%
cereal
18%
organic matter
18%
opinion
18%
crop residue
18%
protected area
17%
productivity
17%
food
16%