Soil properties are measured or inferred from direct observations in the field or laboratory. Examples of soil properties are particle-size distribution, cation-exchange capacity, and salinity.
The PLANTS Database provides standardized information about the vascular plants, mosses, liverworts, hornworts, and lichens of the U.S. and its territories.
This inventory is an update of soil and range information and maps of the National Audubon Society Appleton-Whittell Research Ranch that is within the Soil Survey of Santa Cruz and Parts of Cochise and Pima Counties, Arizona.
