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