What is harvesting ?

(a) What is calcination ? (b) What is roasting?

What is rain water harvesting ?

Explain the process- Rainwater harvesting?

What are harvest festivals ? Name some harvest festivals celebrated in different parts of our country ?

What do you mean by harvesting and threshing?

What is the ancient systKHO of water harvesting in india?

A farmer harvests his crop and expresses his harvest in three different ways: (a) I have harvested 10 quintals of wheat. (b)1 have harvested 10 quintals of wheat today in one acre of land. (c) I have harvested 10 quintals of wheat in one acre of land after 6 months from sowing. Do the above statements mean one and the same thing. If your answer is yes, give reasons. And if your answer is 'no' explain the meaning of each expression.