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棉花的用途很广,是纺织工业的主要原料;棉花生产是国民经济中的重要部门。全世界人类的衣被原料,十分之八以上是棉制品,用棉花做的衣被,轻软、温暖,而且耐用。棉籽可以榨油,棉籽油可以用做食用油和工业用油。此外,棉花还可以做汽车轮胎内的帘线、医药用棉和绷带纱布。棉花在国防上也有重要的用途。栽培棉花最古老的国家是印度,在纪元前2500年已经开始栽培了。我国的植棉历史也很悠久,远在公元六世纪隋,唐代以前,在我国南方的云南、广西就有了棉花。十三世纪到十六世纪的元代和明代的时候,棉花就已经普
Cotton is widely used and is the main raw material for the textile industry; cotton production is an important part of the national economy. More than eighty tenths of the clothing materials used by humans in the world are made from cotton products. The clothing made of cotton is soft, warm, and durable. Cottonseed can be pressed oil, cottonseed oil can be used as edible oil and industrial oil. In addition, cotton can also be used as cords in medical tires, medical cotton, and bandage gauze. Cotton also has important uses in defense. The oldest country to cultivate cotton is India. It was already cultivated before 2500 BC. The history of cotton cultivation in China is also very long. It was far in the sixth century AD. Before the Tang Dynasty, there were cotton in Yunnan and Guangxi in southern China. In the Yuan and Ming dynasties from the 13th century to the 16th century, cotton was