Agriculture & Biology
Abies
39%
acid soils
18%
Betula
36%
calcium
54%
calcium silicate
23%
carbohydrates
11%
cold soils
28%
degradation
10%
dosage
8%
forest litter
99%
hardwood
17%
long term effects
16%
Northeastern United States
23%
nuclear magnetic resonance spectroscopy
16%
nutrients
10%
organic carbon
18%
organic matter
31%
Picea
34%
soil
35%
soil organic matter
81%
water
28%
Earth & Environmental Sciences
brook
16%
calcium
66%
carbohydrate
14%
chemical
7%
cold
10%
decomposition
10%
dosage
12%
effect
20%
experiment
5%
forest floor
100%
hot water
64%
litter
13%
long-term effect
15%
nuclear magnetic resonance
13%
nutrient
9%
organic carbon
11%
organic matter
57%
rate
4%
soil
30%
soil organic matter
27%
soil water
11%
watershed
21%
wollastonite
19%