Which type of soil survey use the lowest categories of taxonomic and mapping units, i.e., types and phases

Solution (By Examveda Team)

A detailed survey is the elaborated mapping of soil survey that use the lowest categories of taxonomic and mapping units, i.e. types and phases, which are genetically quite homogenous.
The main objective of a soil survey is to get information about the soil genesis and provide information about the soil resources of the area.