Some 3/4 of the total soil loss from erosion in the United States is carried away by water.
Indicate whether the statement is true or false
Question 2The R factor of the Universal soil-loss equation is concerned with ________.
A) slope steepness
B) residue cover on the soil
C) soil erodibility
D) climate
E) terraces
Question 3Wind erosion is generally not affected by ________.
A) soil crusting
B) soil moisture
C) soil pH
D) bulk density of the soil
E) soil texture
Question 4Wind erosion accounts for about what percent of the total soil erosion losses in the United States?
A) 35 B) 5 C) 20 D) 10 E) 75
Question 5On which of the land use capability classes is suggested use restricted to non-production purposes, only wildlife and recreational purposes being appropriate?
A) I B) IV C) VI D) VIII E) II
Question 6The total global soil lost through erosion is generally greater from gully erosion than from sheet erosion.
Indicate whether the statement is true or false
Question 7The U.S. Department of Agriculture has developed soil-loss tolerance limits (T values) for different soils. Which of the following is the highest T value assigned for most soils in this country (mg/ha)?
A) 2 B) 11 C) 15 D) 5.0 E) 20
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