Question

If you need to test a soil sample, which indicator would you use? why?​

Answer 1

Answer:

Explanation:

With standard litmus paper, look for one of two color options. If the paper turns red, you have acidic soil. When blue appears, the pH is more alkaline

A soil test is important for several reasons: to optimize crop production, to protect the environment from contamination by runoff and leaching of excess fertilizers, to aid in the diagnosis of plant culture problems, to improve the nutritional balance of the growing media and to save money and conserve energy by ..

Answer 2

Answer:

pH is determined by measuring the hydrogen ion activity in an aqueous solution. A glass electrode, calibrated against a pH standard is used to do this. A sub-sample of soil is mixed with water or CaCl2 at a ratio of 1 part soil to 5 parts liquid and the pH of the suspension is measured after 1 hours shaking.

Explanation:

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