Agriculture & Biology
polluted soils
75%
kenaf
72%
Hibiscus cannabinus
67%
heavy metals
66%
chromium
42%
phytoremediation
39%
oil crops
38%
zinc
32%
climatic soil types
31%
sandy soils
26%
biomass
26%
soil
25%
Brassica carinata
25%
crops
25%
tropics
24%
Arundo donax
22%
soil pollution
21%
copper
20%
clay soils
19%
oilseed crops
19%
Panicum virgatum
18%
economic development
18%
metals
16%
Thlaspi arvense
16%
crop production
16%
sewage sludge
16%
bioenergy
15%
wastewater
15%
agricultural soils
15%
effluents
14%
cultivars
13%
Crambe abyssinica
12%
Mediterranean climate
12%
biomass production
11%
water resources
11%
desertification
11%
Camelina sativa
11%
crop yield
10%
feedstocks
10%
Mozambique
9%
industrial crops
8%
landfills
7%
water pollution
7%
decontamination
7%
energy crops
7%
genotype
7%
human health
6%
biocompatible materials
6%
non-food crops
6%
remediation
6%
Earth & Environmental Sciences
contaminated soil
87%
heavy metal
61%
crop
46%
phytoremediation
41%
chromium
37%
marginal land
36%
zinc
32%
biomass
28%
cultivar
27%
soil
22%
productivity
19%
crop production
19%
reed
18%
copper
17%
contamination
17%
resource use
17%
tropical region
17%
oil
15%
economic growth
15%
decree
15%
bioenergy
14%
genotype
12%
clay soil
12%
agricultural soil
11%
effluent
11%
sewage sludge
10%
wastewater
10%
loss
10%
metal
9%
desertification
9%
energy crop
8%
regulation
8%
Mediterranean climate
7%
savings
7%
soil contamination
7%
tropical climate
7%
decontamination
7%
crop yield
6%
water resource
6%
food
6%
balance (economic)
5%
index
5%
landfill
5%
Engineering & Materials Science
Heavy metals
100%
Soils
89%
Crops
74%
Zinc
41%
Biomass
41%
Chromium
38%
Contamination
36%
Oilseeds
22%
Effluents
17%
Potential energy
17%
Oils
16%
Wastewater
16%
Copper
16%
Metals
14%
Productivity
12%
Feedstocks
12%
Economics
10%
Sewage sludge
9%
Bioeconomy
8%
Land use
8%
Antennas
8%
Clay
7%
Water resources
7%
Irrigation
7%
Ecosystems
6%
Antenna grounds
5%
Decontamination
5%