This Is a Certified Answer

Certified answers contain reliable, trustworthy information vouched for by a hand-picked team of experts. Brainly has millions of high quality answers, all of them carefully moderated by our most trusted community members, but certified answers are the finest of the finest.
Soil fertility is reduced due to pollution and soil erosion . Even due to use of chemical fertilizers in large quantity 
mostly due to use of chemical fertilizers which reduces natural soil fertilization done by nature