Which one of the following is the biological method of soil conservation

A. Contour tillage

B. Contour bundings

C. Mulching

D. Basin listing

Answer: Option C

Solution(By Examveda Team)

Mulching is one of the biological methods of soil conservation.
Mulching is the placement of any organic or inorganic material over the top of a soil surface to protect it. It helps in the conservation of soil moisture, improves soil fertility and health of the soil, reduces weed growth, and enhances the visual appeal of the area.