Agriculture & Biology
secondary succession
100%
edaphic factors
60%
deciduous forests
59%
climate
41%
synthesis
38%
soil fertility
32%
ecological succession
23%
mechanistic models
22%
cation exchange capacity
21%
land use change
21%
climatic factors
20%
geographical variation
18%
heat sums
18%
temperature
14%
corn
10%
soil
8%
methodology
4%
Earth & Environmental Sciences
secondary succession
95%
old field
78%
North America
54%
deciduous forest
45%
soil fertility
29%
rate
22%
species pool
18%
geographical variation
16%
climatic factor
15%
climate
15%
cation exchange capacity
14%
land use change
12%
maize
12%
global climate
12%
temperature
10%
trend
6%
soil
5%
effect
3%
method
3%