Question 10: When Mr. Jim Shortz adds biosolids to the soil, he is adding an organic food source usable by soil microoranisms. The population of the soil organisms will likely increase in response to this increase in available food. How will this affect the processes of soil formation?
To review this concept click on the links:
Principles Lesson 2.4 - Biological Weathering
Principles Lesson 3.3 - Effects of Biota and Organisms on Soil Formation
Principles Lesson 4.3 - 4.4
Looks Good! From Principle Lesson 2 - section III - Biological, you have learned that microbial activity breaks down rock minerals. Biosolids application increases the soil microbial population. The increase in microbes should increase physical and chemical weathering, thus increasing soil formation.