Multiple Choice
Selenium contamination of western soils is related to
A) the application of chemicals by farmers.
B) reliance of natural precipitation with no irrigation.
C) concentration of a natural element in the soil through irrigation drainage collection.
D) none of the above
Correct Answer:
Verified
Correct Answer:
Verified
Q24: The R horizon refers to<br>A) unweathered sediment
Q25: Irrigation runoff can sometimes kill wildlife.
Q26: Acidic soils<br>A) are generally defined as soils
Q29: The physical and chemical weathering of the
Q30: Which type of soil is the least
Q31: Which diagnostic epidpedon is associated with the
Q32: B horizons tend to<br>A) accumulate humus.<br>B) accumulate
Q33: Farmers are concerned with soil from the
Q75: Oxisols are not very fertile.
Q110: Over 15,000 soil series have been classified