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沛县试区地处江苏省徐州市的西北部,苏、鲁、皖三省交界处。其地理位置为东经116°51′,北纬34°44′。属黄河下游冲积平原。由于历史上黄河多次选决泛滥,反复沉积,地面高程为35～40.5m,呈西高东低,地面坡降1/30000～1/50000。 沛县包括26个乡(镇),435个大队,总面积1539.19km~2,耕地8.29万hm~2,占总面积的53.86％,总人口85.65万,其中农业人口79.35万,人均耕地面积1.57亩,是粮棉混合的产区。由于自然灾害频繁,粮棉产量低而不稳,十一届三中全会前,平均粮食亩产150kg左右,棉花亩
Peixian test area is located in the northwest of Xuzhou City, Jiangsu Province, Jiangsu, Shandong and Anhui provinces at the junction. Its geographical location is east longitude 116 ° 51 ’north latitude 34 ° 44’. Is the lower reaches of the Yellow River alluvial plain. Due to the repeated election of the Yellow River in history, the Yellow River has been repeatedly deposited. The ground elevation is 35-40.5 m, which is low in the west and low in the east and 1 / 30000-1 / 50000 in the ground. Peixian consists of 26 townships (towns) and 435 brigades with a total area of 1539.19 km2 and a cultivated land of 82.9 thousand hm2, accounting for 53.86% of the total area with a total population of 856,500, of which the agricultural population is 739,500 and the per capita cultivated area is 1.57 Mu, is a mixed area of grain and cotton production. Due to the frequent natural disasters and the low and unstable grain and cotton production, the average grain yield per mu is about 150kg before the Third Plenary Session of the 11th CPC Central Committee. Cotton acreage