Soil pH

Question 1

describe the potentiometric method

Answer 1

use an electrode that measures H* concentration in the soil solution

Question 2

describe the colometric method

Answer 2

dye comes in contact with the soil, and the color determines the pH of the soil

Question 3

Ideal soil pH

Answer 3

6.5

Question 4

What do they do if soil is too acidic?

Answer 4

Liming: adding any calcium or magnesium compound which is capable of neutralizing soil acidity