Hi everyone on appics platform. Water supply to dry farms through dams, ditches, ...

... canals etc. or by any other mechanical means.Irrigation activities are thought to have started in Asia, Africa and the Americas thousands of years ago, especially in areas with an annual rainfall of less than 500 mm. Although the soil moisture is high enough, some crops, such as transplanted aman, require extra waterIt is known that the total amount of irrigated land in the world is 21 crore 96 lakh 49 thousand hectares to 250 million hectares; About half of this land is in India, Pakistan, China and Bangladesh. Probably the first introduction of canals, ditches, dams, reservoirs etc. for distribution, control and storage of water was in ancient Egypt. In modern times, irrigation pumps have been introduced for irrigation work from groundwater and surface water sources.