information about USDA soil taxonomy field
Field Hierarchy
Parent | |||
---|---|---|---|
Biology 36.7M papers | Geology 10.6M papers | Environmental science 9M papers | Ecology 8.3M papers |
Soil science 822k papers | Soil water 799k papers | Soil classification 9,526 papers | |
Current | |||
USDA soil taxonomy 1,658 papers | |||
Child | |||
Gelisol 0 papers | Australian Soil Classification 0 papers | ||
FAO soil classification 0 papers | 1938 USDA soil taxonomy 0 papers |
Trends
Notes
History