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Cotton (from Arabic qutn) is a soft, fluffy staple fiber that grows in a boll, or protective case, around the seeds of the cotton plants of the genus Gossypium in the mallow family Malvaceae. The fiber is almost pure cellulose , and can contain minor percentages of waxes , fats , pectins , and water .
These are 20% protein, 20% oil and 3.5% starch. Fibers grow from the seed coat to form a boll of cotton lint. The boll is a protective fruit and when the plant is grown commercially, it is stripped from the seed by ginning and the lint is then processed into cotton fibre. For unit weight of fibre, about 1.6 units of seeds are produced.
The planting season is from September to mid-November, and the crop is harvested between March and June. The cotton bolls are harvested by stripper harvesters and spindle pickers that remove the entire boll from the plant. The cotton boll is the seed pod of the cotton plant; attached to each of the thousands of seeds are fibres about 2.5 cm ...
Cotton fields in the United States. The United States exports more cotton than any other country, though it ranks third in total production, behind China and India. [1] Almost all of the cotton fiber growth and production occurs in the Southern United States and the Western United States, dominated by Texas, California, Arizona, Mississippi, Arkansas, and Louisiana.
The Progress of Cotton. Barfoot's series of coloured lithographs of 1840 depicting the cotton manufacturing process. Spinning the Web, Manchester Libraries: Darton. p. 12; Miller, Ian; Wild, Chris (2007). A & G Murray and the Cotton Mills of Ancoats. Lancaster: Oxford Archaeology North. ISBN 978-0-904220-46-9.
Irrigation is the process of artificially applying water to soil to allow plant growth. This term is preferably used when large amounts of water is applied to dry, arid regions in order to facilitate plant growth. The process of irrigation not only increases the growth rate of the plant but also increases the yield amount.
A cotton boll. Each boll contains several dozen seeds. [9] Cotton fibers are produced in the seed pods ("bolls") of the cotton plant where the fibers ("lint") in the bolls are tightly interwoven with seeds. To make the fibers usable, the seeds and fibers must first be separated, a task which had been previously performed manually, with ...
The cotton produced by this plant is short, about 25 millimetres (1 in) long and is firmly attached to the seed, which is covered in hairy down. Cotton fibres grow from the surface of the seeds and can be separated from these by hand or mechanically; the long fibres are called lint. The cotton fibres consist of nearly pure cellulose. The ...
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