Question

how plants are helpful to reduce soil erosion

Answer 1

Plant's roots bind the soil, thus preventing erosion. The loss of protective vegetation makes soil vulnerable to being swept away by wind and water.

Answer 2

Soil can be best conserved by planting trees ,as root s of plants bind the soil firmly and prevents erosion by wind and water . Trees also act as wind breakers by checking the force of strong winds , thus preventing the removal of fertile soil.