Oddly enough nearly all garden plants like a slightly acidic soil and dahlias are no exception. They will be very happy at about pH 6.5 or even a bit lower.
Ray
Petunias are not fussy about soil other than it be well drained. They are very particular about needing lots of sunlight.
base
As in all acid-base (alkali) reactions, it will reduce the acidity of the soil and, if there is an excess of base to acid, it can make the soil become alkaline. The soil will be less acidic if base is less than acidity, become neutral (if base = acidity), or become alkaline if base is greater than acidity.
Why would a plant like acid? Obviously go with the soil.
yeah
yes,acid does effect soil.
To neutralize acid rain in soil, you can apply agricultural limestone or lime. These products help to raise the pH level of the soil and counteract the acidity caused by acid rain. It is important to test the soil pH before adding any amendments to ensure the correct application rate.
Azaleas like acid soil if you use bone meal it takes the acid out of the soil because it has a alkaline reaction in the soil. Don't not use for Azaleas.
They simply pour acid or spit saliva into the soil as a scientist myself I would like to advice youngster not to pollute the soil ok!
Potatoes, yams, and dahlias are examples of organisms that reproduce by tubers. These tubers are specialized underground stems that store nutrients and can develop into new plants when planted in the soil.
because rain has acid in it it makes the soil have acid in it
If you mean bagged, granular fertilizer, like that sold for garden and lawn use, it tends to be slightly acidic. Use of fertilizers, as in farm soil, over a period of years definitely increases the acidity of the soil, which is why farmers add lime every few years.