In making a second-order (detailed) soils map, soil scientists typically obtain most of the necessary soil profile information by using ________.
A) soil augers
B) satellites
C) ground penetrating radar
D) soil pits
E) electro-magnetic induction
Question 2A group of soils generally found together in a landscape uniform in parent material but differing in topography and drainage is called a ________.
A) soil complex
B) soil association
C) catena
D) GIS
E) geo positioning system
Question 3In which of the following systems are space satellites used to collect geographic information about soils?
A) geo-positioning
B) profile description
C) multi-spectral imagery
D) laser mapping
E) both A and C
Question 4Precision fertilizer applications systems take into consideration the different fertility levels within an agricultural field and integrate the use of soil testing with ________.
A) computer controlled variable rate spreaders
B) computer mapping
C) intensive soil sampling
D) geo-positioning systems
E) all of the above
Question 5In the United States, the government lead agency for most soil survey work is the ________.
A) Natural Resources Conservation Service
B) Agency for Soil Resource Inventory
C) Department of the Interior
D) National Bureau of Soil Survey
E) Department of Land Reclamation
Question 6A stereo pair of air photos is particularly useful in studying ________ landscape features.
A) topographic
B) plant stress induced
C) human-made
D) salt-affected
E) parent material
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