Question: Does adding nutrients to soil change its pH?
Hiya everyone :)
I'm doing a science project in which I am adding Nitrogen and Calcium nutrients to the soil of a Venus Fly Trap and observing the effects of doing so.
I am wondering, by adding N and Ca, will that change the pH of the soil? The soil for this plant is naturally quite low and naturally nutrient deficient. Because, isnt pH a measure of hydrogen in the soil not the amount of nutrients?
Answer: If the pH level of the soil is below 6.5, you can add ground limestone that contains Ca to raise the pH level. You can add nitrogen in the form of ammonium (NH3), a compound made up of hydrogen and nitrogen. Ammonia is converted into nitrate and during the conversion it releases hydrogen ions. The free hydrogen ion (H+) can make the soil acidic. But if you have already added lime in the soil, it may neutralize the positive hydrogen ion making the soil neutral. However, it depends on the soil's lime (Ca) content. Edit
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