Agricultural engineering is used relating to or promoting agriculture or farming requiring large amount of water.
Agriculture itself is the production of food, feed, fiber and other goods by the systematic growing/harvesting of plants, animals and other life forms. Agriculture may commonly refer to the study of the practice of agriculture.
When farmers became capable of producing food beyond the needs of their own families, others in the tribe were freed to devote themselves to projects other than food production.
Many people feel that the development of civilisation required agriculture.
Many governments have subsidized agriculture to ensure an adequate food supply. These agricultural subsidies are often linked to the production of certain commodities.
Recent mainstream technological developments include genetically modified food.