Question

the ph of a soil A is 8 & that of soil is b is 4 which of the soil should be treated with quick lime & why

Answer 1

Soil B should be treated with quick lime . When soil becomes too acidic ,root growth and plant development suffer when soils become too acid because nutrients needed for plant growth are pushed out.

Answer 2

as you know pH 8=bsic in nature
and. pH=4 is acidic in nature
and we know acidity can harm our soil
so pH=4 acidic soil is treated with cao quick lime....
because to convert into basic medium..
hope you understand