Author Question: The matric potential of soil water is ________. A) is generally higher than that of pure water ... (Read 300 times)

mydiamond · **on:** Jul 22, 2018

The matric potential of soil water is ________.

A) is generally higher than that of pure water outside the soil
B) is lower in a sandy soil with 20 percent soil water than in a clay soil with same percentage of moisture
C) influenced greatly by the content of salts in the soil
D) not influenced appreciably by the force of gravity
E) is little affected by soil solids

Question 2

Two soil samples, A and B, at different soil moisture levels are placed in contact with each other. Water will more likely move from soil A to soil B if their water potentials, expressed in kPa, are ________.

A) A=-30; B=-40
B) A=-5; B=-5
C) A=-20; B=-10
D) A=-5; B=+5
E) A=-100; B=-50