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:Which of the following combinations will help to…An indigenous method of renewing and maintaining…Water can be conserved in the soil by?Crop rotation is often used in maintaining soil…Conservation of soil fertility employs crop rotation…