Q-- I know that when the soil is too acidic or basic plants donot grow well. So a farmer generally neutrallises it using suitable acids or bases . But how does he know that actually the soil is acidic or basic ?
Hi Angad, there are pH tests which determine which type of amendment it would need. These can be simple tests using a type of paper that changes color depending on the amount of hydrogen atoms in water that your soil has been soaked in, or you can use the simple Home Soil Test outlined here which you can do with some common household ingredients.
Hope this helps,
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