The three major cotton producing areas in China "have their own characteristics"
The cotton farmers quickly came to see it. Divided from the region, China mainly has three major cotton producing regions, namely Xinjiang Cotton Region, Yellow River Basin Cotton Region, and Yangtze River Cotton Region.
Xinjiang cotton area
It mainly includes Xinjiang and Gansu, and Xinjiang mainly uses Xinjiang cotton. Xinjiang produces about 50% of cotton production in China.
Main features: The area is full of sunshine, dry climate and scarce rainfall, belonging to the irrigation cotton area; the farming system is one year old, the cotton field is concentrated, the planting scale is large, the degree of mechanization is high; the yield is high, the original cotton color is good, “three wires "Compared with other cotton areas.
The Xinjiang cotton area mainly includes the southern Xinjiang and northern Xinjiang. In the past, Xinjiang cotton had the problem of sugar, and now with the improvement of varieties, there is less sugar. However, the cotton fiber strength in Xinjiang is lower than that in the Yellow River and the Yangtze River basin, mainly due to the low moisture regain.
1) Characteristics of Southern Xinjiang (with Tianshan as the boundary): Long hours of sunshine, warmer temperatures in southern Xinjiang than in northern Xinjiang, good planting time and picking time. It is characterized by good whiteness, good length, good consistency, and good Micronaire value, mainly A--B2 level, fine fineness, can spin more than 40 yarns, processing quality is better than the inland, low moisture regain (standard At 8.5%), due to the high temperature, the cotton moisture regain rate can reach about 6-7%, and the cotton is above grade 3, which is better than that of northern Xinjiang. In addition, China's only long-staple cotton production area is located in Aksu, southern Xinjiang, and the length of long-staple cotton fibers is 36-37mm, which is second only to Egyptian long-staple cotton and is better than that of American Pima cotton.
2) Characteristics of northern Xinjiang: Light duration is shorter than that of southern Xinjiang, and there is more rain and heavy rainfall. Micronaire value is lower than that of southern Xinjiang. The strength is low, and the luster and whiteness are lower than those in southern Xinjiang. Mainly in level 3, the water content is high and can be spun 40s. - 60s yarn.
Yellow River Basin
The cotton area in the Yellow River Basin is currently a cotton area with a large area of ​​cotton growing in China, including Hebei Province (except the Great Wall north of China), Shandong Province, Henan Province (excluding Nanyang and Xinyang), southern Shanxi, Shaanxi Guanzhong, Gannan Longnan North of the Huaihe River in the provinces of Jiangsu and Anhui, and the suburbs of Beijing and Tianjin.
The characteristics of the Yellow River Basin cotton area: abundant sunshine, good heat conditions, moderate soil fertility, moderate annual precipitation, and good fiber quality under normal years. However, due to the improper allocation of crops in some regions, pests and insects have different levels of damage, and in addition, some years of late low temperature and low temperature, resulting in unstable fiber quality between years.
Similar to cotton in Shandong and Hebei, the color is good, the luster is good, the fiber is long, the low cashmere rate is low, and the strength is good. It is one grade higher than Hubei, and the micronaire value is small. It can spin 40 yarns, but there are more than three yarns. In particular, apart from Nanyang and Xinyang, Henan Province is planted on land, with a short production period, low cotton strength, high fineness, no coloration in Shandong and Hebei, and short sawing and high velvet, and can also be spun for 40s. Nanyang and Xinyang regions are not interplanting, and the cotton quality is similar to Hubei cotton.
Three Yangtze River Basin
The cotton region of the Yangtze River Basin is located in the humid subtropical region of Central Asia. Commodity cotton production is mainly concentrated in the coastal and riverside areas of Jiangsu Province, the Yangtze River Estuary Cotton Area in Shanghai, the Qiantangjiangkou Cotton Region in Zhejiang, the Yanjiang Cotton Region in Anhui, and the Poyang Lake Cotton Region in Jiangxi Province. , Hunan's Dongting Lake cotton area, Hubei Jianghan Plain cotton area, across Henan, Hubei Nanxun Basin cotton area and Sichuan Basin cotton area and other places.
Characteristics of the Yangtze River Cotton Region: Hunan and Hubei are the major cotton producers. Its cotton is characterized by good maturity, high micronaire value, and rough fibers. More than 80% of the cotton micronaires have a value of 4 or more, three filaments less, and the short cashmere rate is lower than Henan, the color is gray, and 21 can be spun. 32 yarns.
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