Agriculture & Biology
experimental forests
100%
clearcutting
92%
soil solution
82%
leaching
68%
forest litter
54%
ions
50%
chemistry
42%
vegetation gradient
37%
organic horizons
35%
soil
35%
soil horizons
32%
nitric acid
29%
hardwood forests
29%
mineral soils
29%
lysimeters
28%
nutrients
28%
nitrification
28%
soil profiles
26%
acidification
23%
acidity
21%
cations
20%
ecosystems
17%
vegetation
17%
monitoring
14%
Earth & Environmental Sciences
soil process
85%
clearcutting
84%
brook
78%
disturbance
48%
streamwater
48%
forest floor
40%
leaching
40%
ion
33%
soil
22%
nutrient loss
22%
shallow soil
21%
vegetation
21%
lysimeter
20%
soil horizon
20%
nitric acid
19%
acidity
17%
acidification
17%
soil profile
16%
effect
16%
nitrification
16%
cation
14%
nutrient
11%
ecosystem
10%
mineral
9%
loss
9%
monitoring
9%
chemical
8%