Earth & Environmental Sciences
temporal evolution
93%
agricultural soil
91%
chemical property
78%
soil
37%
crop
32%
enzyme activity
31%
soil depth
30%
soil property
26%
chemical
21%
nutrient cycle
19%
soil degradation
17%
phosphatase
16%
soybean
16%
pore space
15%
soil condition
15%
total organic carbon
13%
management practice
13%
enzyme
11%
sensor
10%
acid
9%
nitrogen
8%
sampling
8%
water
4%
Agriculture & Biology
agricultural soils
100%
physicochemical properties
70%
soil
45%
soil depth
32%
soil properties
29%
crops
23%
enzyme activity
19%
soil degradation
18%
glucosidases
18%
biogeochemical cycles
16%
urease
16%
organic carbon
16%
total nitrogen
15%
acid phosphatase
14%
soil quality
13%
Glycine max
13%
alkaline phosphatase
13%
soybeans
10%
flowering
10%
enzymes
6%
water
6%
sampling
5%
Medicine & Life Sciences
Soil
96%
Soybeans
18%
Enzymes
12%
Glucosidases
11%
Urease
9%
Practice Management
8%
Acid Phosphatase
8%
Carbon
7%
Nitrogen
7%
Oxidoreductases
6%
Alkaline Phosphatase
6%
Nutrients
6%
Water
4%