_____ is the staple crop of South India.

Complete the following world puzzle with the help of the clues given below.
Down
1. Providing water to the crops.
2. Keeping crop grains for a long time under proper conditions.
5. Certain plants of the same kind are grown on a large scale.
Across
3. A machine used for cutting the matured crop.
4. A rabi crop is also one of the pulses.
6. A process of separating the grain from the chaff.

Observe the image carefully and answer the question:

Write the names of things that we obtain from plants.