Asked by Sam
1) If a soil had a pH of 5.5, how many milli-equivalents of acids would it have per 100 grams?
2) How many milli-equivalents of Ca need to be added to increase the pH of the soil to 6.8?
2) How many milli-equivalents of Ca need to be added to increase the pH of the soil to 6.8?
Answers
Answered by
DrBob222
Sam, I'm not an agronomist, therefore, I don't know the rules for testing pH in that field. I've looked on the web and I know the definition of pH. If you could give me some of the rules for this I may be able to help.
A pH of 5.5 means (H^+) = 3.16E-6 M and that is mols/L but I don't know per L of what? pure water? mud? how much water in the mud? etc. Exactly what does a pH 5.5 mean <sub> per 100 g soil</b>?. There must be some kind of a working definition agriculture people use because dry soil pH simply can't be measured. Give me as much information as you can.
A pH of 5.5 means (H^+) = 3.16E-6 M and that is mols/L but I don't know per L of what? pure water? mud? how much water in the mud? etc. Exactly what does a pH 5.5 mean <sub> per 100 g soil</b>?. There must be some kind of a working definition agriculture people use because dry soil pH simply can't be measured. Give me as much information as you can.
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