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The EC: SAR and RSC values suggested by WAPDA for 3rd class irrigation water(C,S,R,) are____________________?

AECi:<1.5, SAR < 10 & RSC< 2.5Option A

BECi:>1.5, SAR > 10 & RSC> 2.5Option B

CECi:>1.5, SAR 2.5Option C

DBoth a & bOption D

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