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嘉兴专区的自然条件和解放后耕作制度的演变嘉兴专区位于浙江北部,区内东部和中部地势平坦,河流交错,为水纲平原,系长江三角洲的一部分;西部丘陵起伏,山脉蜿蜒,系江南古陆的一部分。全区气候温和,年平均温度1 5.5～16℃,无霜期220～235天;雨量充沛,全年降雨量1,200～1,400毫米,最高年达1,700毫米。土壤的分布:平原区主要是青紫泥、黄斑塌土和小粉土三土科;丘陵和山区主要是黄大泥、泥筋土、泥沙土和培泥沙土四土科j沿江是淡涂泥土科。由于区内自然条件优
The natural conditions of Jiaxing area and the evolvement of post-liberation farming system Jiaxing area is located in the northern part of Zhejiang Province. The eastern and central parts of the area are flat and the rivers are interlaced. The water level plain is a part of the Yangtze River Delta. The western hills meander and the mountains meander, Part of the ancient land. The climate in the region is mild with annual average temperature of 5.55 ℃ and frost-free period of 220-235 days. With abundant rainfall, the rainfall in the whole year is 1,200-1,400 mm and the highest one reaches 1,700 mm. Distribution of soil: Plain area is mainly purple clay, macadam and small silt three soil; hilly and mountainous areas are mainly mud, mud soil, mud soil and peat soil four soil is j Painted earth section. Due to the natural conditions in the region