Read the description of cultivation given below and identify the method - After harvesting a crop, the field is left vacant for some years. Nothing is grown in it. Bamboo or other weeds, whatever grows in this land. They are not uprooted, they are cut and burnt. This ash makes the land fertile. When the land is ready for cultivation, it is lightly dug up, the land is not plowed and seeds are sprinkled on it.

• A. irrigation farming
• B. cooperative farming
• C. jhum cultivation
• D. terrace farming