Body: "Irrigation" is the field of applications of controlled amounts of water to plants at needed intervals.
help grow agricultural crops, maintain landscapes, and revegetate disturbed soils in dry areas and during periods of less than average rainfall is some of the cause to investigate "Irrigation".
A few scholars of "Irrigation" include Jang Yeong-sil, Jean-Philippe Venot.
Some questions in "Irrigation" involve water sources, impacts on society, surface irrigation, sprinkler irrigation.