The pH value of soil 'A' is 7.5 while th...

The pH value of soil 'A' is 7.5 while that of soil 'B' is 4.5. which of the two soils A or B should be treated with powdered chalk to adjust pH ? Why ?

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Soil .B. is acidic. It should be treated with powdered chalk which is basic so as to adjust pH.

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