The top soil of a water logged field becomes more alkaline and infertile if its pH value is« Back to Previous Page

A. 6 B. 8 C. 9 D. 10 E. 11 Posted by Civil Engineer Asked on August 22, 2016 1:37 pm

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E. 11 Posted by Civil Engineer Answered on August 22, 2016 1:39 pm

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E. 11 Posted by Civil Engineer Answered on August 22, 2016 1:39 pm