Questions 1

Check ALL that apply. The soil erodibility (K) factor is directly affected by of which components below?

A. soil texture
B. soil structure
C. soil organic matter content
D. rainfall intensity
E. soil permeability

Question 2

Check ALL that apply. The RUSLE equation states that Estimated average soil loss = R * K * LS * C * P. If for some reason soil organic matter decreases such that Kdoubles, what could be recommended to a farmer to keep the erosion rate the same? In other words, which factors is the farmer most likely able to influence?

A.Decreasing the R factor by half
B.Decreasing the K factor by half
C.Decreasing the LS factor by half
D.Decreasing the C factor by half
E.Decreasing the P factor by half

Question 3

Check ALL that apply. According to Figure 2, which parts of the US will experience significant drying in the summer (the primary growing season)?

A.Pacific Northwest
B.Appalachian Mountains
C.Great Lakes
D.Southern Great Plains
E.Eastern Seaboard