Answer:
The innovations in soil conservation introduced by Hugh Hammond Bennett are: crop rotation, inter-cropping, shelter belts, and contour plowing.
Step-by-step explanation:
- It is very important to conserve soil because conservation of soil increases its nutrients.
- Hugh Hammond suggested to plant different crop in different season to increase its fertility along with plowing the contours of the land.
- Besides the innovations by Hugh Hammond, there are other techniques like building terraces, No- till farming that conserves the soil.
- Wind break is the best technique to reduce the soil erosion by planting rows of trees or shrubs to block the wind.