Which of the Following Statements Concerning Applications or Capabilities of Soil

Multiple Choice

Which of the following statements concerning applications or capabilities of soil moisture measuring devices is (are) true for the use of a drying oven and balance?

A) requires "destructive sampling" for each measurement
B) good to turn on automatic irrigation at -5.0 kPa
C) used to turn on irrigation when soil moisture potential reaches -20.0 kPa
D) gives same reading for loamy sand and silt loam if both contained 15% moisture
E) both A and D