Cotton, originate in formerly semi-tropical. Plant bush shape, help advance somebody's career in intertropical area can grow 6 meters tall, it is commonly 1 go to 2 meters. The nation with pily top crop has China, United States, India to wait. Pily country of origin is India and Arabia. Before cotton passes into China, china can be offerred only fill up the ceiba of pillow cotton-padded mattress, it is OK to do not have the cotton of weaving. Before Song Chao, china takes silk only by " continous " word, did not take wood by " cotton " word. "Cotton " the word is from " Song Shu " remove ability to begin to appear. See pily introduction, at the latest is in period of the Northern and Southern Dynasties, but cultivate in border area more. Cotton passes into inland in great quantities, should be in Song Mo yuan first, the account that passes into China about cotton is so say: "Between Song Yuanzhi only then propagate at China, fujian closing short for Shaanxi Province is wide head reap its profit, outside building this content to go out, smooth, fujian is wide the ship that understand the of great capacity, close short for Shaanxi Province to tell friend of the Western Regions also. Can understand from now on, pily introduction has sea land two. The cotton of fontal city is passed into from sea route, leave very quickly in southern promotion come, come behindhand as to the promotion of countrywide cotton bright first, zhu Yuanzhang uses compulsive method to just be pushed. At present cotton helps advance somebody's career extensively to produce cotton division each at the whole nation, and already replaced tree cotton and cotton. Our country is existing help advance somebody's career breed has: This cotton of cotton of word cotton, heart word cotton, word of another name for Taishan Mountain, word stalking or branch, the expensive product that Yo gives recently is planted, there is Lu Mian in north. Produce America Mexico formerly. 19 centuries last years only then pass into our country to help advance somebody's career. Cotton can make the fabric of all sorts of norms. Cotton fabric soundly wear-resisting, can catharsis irons below high temperature very hot. Cotton cloth moisture absorption and releasing of moisture are fast and make dress comfortable. Of cotton advocate by-product has taller use value, place of forefathers of no less than says " pily whole body is treasure " . The fiber crop with its the mainest since, it is principal oil-bearing crops, also be the grain crop that contains high protein, still be spin, careful industrial chemicals and important strategic goods and materials. Accordingly, must make hard pily increase production, do well to be used integratedly, increase production appreciation, in order to increase the need of cotton grower income and many sided of progress of contented countryman economy. In September, the cotton of northward each district enters harvest season in succession, shining white cotton falls in the sunshine of autumn day, to the top of one's bent dancing!