Agriculture & Biology
activated carbon
100%
charcoal
97%
comparative study
72%
germination
55%
phytotoxins
32%
Pinus sylvestris
26%
Calluna vulgaris
24%
Vaccinium myrtillus
24%
Pinus
22%
surface area
15%
forest fires
12%
carbon
11%
extracts
9%
seeds
9%
chemical analysis
8%
aqueous solutions
8%
leaves
7%
shrubs
7%
seed germination
7%
water
7%
bioassays
7%
physicochemical properties
6%
powders
6%
Earth & Environmental Sciences
germination
99%
charcoal
88%
activated carbon
80%
comparative study
78%
pine
37%
seed
22%
surface area
13%
hull
9%
carbon
9%
forest fire
9%
bioassay
8%
chemical analysis
8%
shrub
7%
chemical property
7%
aqueous solution
7%
cavity
7%
young
6%
effect
4%
water
2%
analysis
2%