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一、棉区概况 荆州棉区位於长江中上游及汉水下游两岸的冲积土壤地带,海拔在50米左右,年平均温度16℃雨量1,200毫米左右,全年无霜期约270天。土壤种类很多,根据群众分类,主要土类有土田(粘壤土到粉砂壤土)、油沙(细沙壤土到粉砂壤土)、灰砂(壤砂土到砂壤土)及含水砂(砂壤土到壤土,地下水位较高)等四种。棉区内旱地约占耕地面积的2/3以上。旱地夏作以棉花为主,部分种植粟谷、黄豆或其他作物,棉花集中地区如松滋,夏作绝大部分为棉花。旱地冬作主要是大、
First, the cotton area Overview Jingzhou cotton area is located in the upper reaches of the Yangtze River and the lower reaches of the Hanjiang alluvial soil, about 50 meters above sea level, the annual average temperature of 16 ℃ rainfall of about 1,200 mm, the annual frost-free period of about 270 days. According to mass classification, the main soil types are soil (clay loam to silty loam), oil sand (fine loam to silty loam), lime sand (loam to sandy loam), and sandy loam Loam, higher groundwater level) and other four. Cotton fields dry land accounts for about 2/3 of the area. Dryland summer crops mainly cotton, part of the cultivation of millet, soybeans or other crops, cotton concentrated areas such as pine, summer most of the cotton. Winter dry work is mainly large,