Soil fertility can best be conserved by the activities of? by Sunday | Sep 11 | Biology JAMB | 0 comments A. Earthworm B. Man C. Rodent D. Microbes Correct Answer: Option D – Microbes Users Also Read These:Tropical rain forests can be conserved by the…Which of the following combinations will help to…The fertility of the soil is an important factor in…Soil fertility is NOT conserved by?Tropical rain forest can be conserved by the…