Some Irrigation Systems Have Stimulated the Formation of Saline and Saline-Sodic

Multiple Choice

Some irrigation systems have stimulated the formation of saline and saline-sodic soils.Which of the following contributes to this process?

A) the low sodium adsorption ratio in the irrigation water
B) high Ca and Mg contents in the irrigation water
C) inadequate drainage systems to remove soluble salts
D) high contents of sulfates and chlorides in the irrigation water
E) low pH of the irrigation water