1. What is irrigation? What are the main objectives of irrigation ?
Answers
The supply of water to crops at regular intervals is called irrigation. It differs from one crop to the next, from one soil to the next, and from one season to the next.
THE MAIN OBJECTIVES OF IRRIGATION ARE
Water is one of the essential elements of human existence. It is not always possible to get water supply from natural sources. Here comes the application of irrigation supply. Irrigation is the man-made means of supplying water. The main objectives of irrigation supply are given below.
Ensure enough moisture essential for plant growth.
Provide crop insurance against short duration drought.
Cool the soil and atmosphere to provide a suitable surrounding.
Wash out or dilute harmful salt, chemicals of the soil.
Reduce hazards of soil piping.
Soften the tillage pan.