Consider the following data for irrigation water:S.No.ConcentrationMil – McqOptions

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1.	Consider the following data for irrigation water:S.No.ConcentrationMilli-equivalents per litre1Na+242Ca++3.63Mg++2The Sodium-Absorption Ratio WAR) is nearly
A.	13.1
B.	14.3
C.	15.5
D.	16.7
Answer» C. 15.5

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