Question

Below is a diagram of one of the tertially practices that are carried out in land preparation. Study it and answer the questions below

1. Identify the tertially practice shown above.
2. Give four reasons for carrying out the above practice.
3. Apart from the above practice name any other two tertiary practices that are carried out in a farm

Answer 1

1. Ridging
2.    
   • encourage tuber expansion
   • easy harvesting of tuber crops
   • Control soil erosion
   • conserve moisture in the soil
3.    
   • Rolling
   • Levelling