Multiple choice

Which of the following is/are viewed as the optimal condition(s) for plant growth and microbial activity?

  1. Saturation

  2. Field capacity

  3. Permanent wilting point

  4. Both (2) and (3)

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Field capacity is viewed as the optimal condition for plant growth and microbial activity. At field capacity, air is in macropores and water in micropores and soil potential is -33 kpa.