produce crops
121Plantation — For other uses, see Plantation (disambiguation). A pine plantation in the United States. Plantations are usually easily distinguished from natural forests by the trees being planted in straight lines. A plantation is a large artificially… …
122Ethanol fuel — is ethanol (ethyl alcohol), the same type of alcohol found in alcoholic beverages. It can be used as a fuel, mainly as a biofuel alternative to gasoline, and is widely used in cars in Brazil. Because it is easy to manufacture and process and can… …
123agriculture, origins of — Introduction the active production of useful plants or animals in ecosystems that have been created by people. Agriculture has often been conceptualized narrowly, in terms of specific combinations of activities and organisms wet rice production… …
124genetically modified organism — Introduction organism whose genome has been engineered in the laboratory in order to favour the expression of desired physiological traits or the production of desired biological products. In conventional livestock production, crop farming, and… …
125plant breeding — Introduction application of genetic (genetics) principles to produce plants that are more useful to humans. This is accomplished by selecting plants found to be economically or aesthetically desirable, first by controlling the mating of… …
126Crop rotation — Fallow redirects here. For other uses, see Fallow (disambiguation). Satellite image of circular crop fields in late June 2001. Healthy, growing crops are green. Corn would be growing into leafy stalks by then. Sorghum, which resembles corn, grows …
127Hemp — This article is about industrial hemp. For its psychoactive variant, see Cannabis (drug). For the biology of the plant, see Cannabis. For other uses, see Hemp (disambiguation). The variety of appearances for cannabis. Only C. sativa (left) is… …
128Agriculture in ancient Tamil country — During the Sangam age, 200 BCE 200 CE, agriculture was the main vocation of the Tamils. [cite book last = Venkata Subramanian title = pages = p. 26] It was considered a necessity for life, and hence was treated as the foremost among all… …
