Which of the following help to control Soil Erosion?

  1. Mulching
  2. Vegetated waterways
  3. Contouring 
  4. Strip cropping 

  Select the correct option from codes given below:

Answer: [D] 1, 2, 3 & 4

Vegetated waterways are gully and channels which are formed to prevent the Soil against the erosive forces of concentrated runoff from sloping lands. Contouring is constructing tillage and planting of crops on or near the same elevation or contour. Mulching is a type of protective covering which is in direct contact with the ground, provides more protection than canopy cover. Strip cropping is a combination of contouring and crop rotation.

This question is a part of GKToday's Integrated IAS General Studies Module