Author Question: Groundwater ________. A) moves laterally but not vertically below the soil profile B) is a major ... (Read 46 times)

moongchi · **on:** Jul 22, 2018

Groundwater ________.

A) moves laterally but not vertically below the soil profile
B) is a major source of water for irrigation in the United States
C) moves downward in the vadose zone through the capillary fringe
D) is found mostly in shallow layers just below the argillic
E) is a source of water above the vadose zone in a soil

Question 2

Land drainage is beneficial because ________.

A) it increases the depth of root penetration in the soil
B) it increases the availability of iron and manganese in acid soils
C) it increases the alternate of expansion and contraction due to freezing and thawing of soils
D) it slows down the rate of soil warming in the spring
E) it increases the water-to-air ratio in the soil pores