information about USDA soil taxonomy field
Field Hierarchy
| Parent | |||
|---|---|---|---|
Biology 34.8M papers | Geology 9.1M papers | Ecology 7.8M papers | Environmental science 7.7M papers |
Soil science 768k papers | Soil water 750k papers | Soil classification 8,996 papers | |
| Current | |||
USDA soil taxonomy 1,624 papers | |||
| Child | |||
Trends
Notes
History