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Cotton is a perennial crop in the tropics, and without defoliation or freezing, the plant will continue to grow. Cotton continues to be picked by hand in developing countries [88] and in Xinjiang, China, allegedly by forced labor. [89] Xinjiang produces over 20% of the world's cotton. [90]
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.
Cotton is a water-intensive crop, and its cultivation often leads to water depletion in regions where water resources are already scarce. Additionally, cotton farming is associated with soil degradation, pesticide use, and loss of biodiversity. These environmental issues have prompted a growing interest in sustainable cotton production.
The phenological growth stages and BBCH-identification keys of cotton are: Growth stage Code Description ... Hypocotyl with cotyledons growing towards soil surface 09:
A cotton ball. Cotton is a significant cash crop. According to the National Cotton Council of America, in 2014, China was the world's largest cotton-producing country with an estimated output of about one hundred million 480-pound bales. [1] A cash crop, also called profit crop, is an agricultural crop which is grown to sell for profit.
This is the earliest evidence of cotton cultivation in the Americas found thus far. Gossypium hirsutum includes a number of varieties or cross-bred cultivars with varying fiber lengths and tolerances to a number of growing conditions. The longer length varieties are called "long staple upland" and the shorter length varieties are referred to as ...
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 ...
Natural color in cotton comes from pigments found in cotton; these pigments can produce shades ranging from tan to green and brown. [3] Naturally pigmented green cotton derives its color from caffeic acid, a derivative of cinnamic acid, found in the suberin (wax) layer which is deposited in alternating layers with cellulose around the outside of the cotton fiber.
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