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