Which one is dominating salt in alkali soil
A. CaCl2
B. ZnSO4
C. NaHCO3
D. Na2CO3
Answer: Option D
Solution(By Examveda Team)
Na2CO3 is the dominating salt among the given options in alkali soil. Alkali soils owe their unfavorable physio-chemical properties mainly to the dominating presence of sodium carbonate, which causes the soil to swell and difficult to clarify and settle.Alkali soils are clay soils with high pH, a poor soil structure and a low infiltration capacity. They have a hard calcareous layer at 0.5 to 1 meter depth.
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