姚(余姚)、慈(慈溪)两县位于浙江东部,地当四明山与杭州湾南岸之间,境内自南而北包括四明山地、姚江平原、三北平原和海滨涂地四个明显的地带,生产地域类型也依次递变,由山林、稻区、棉区到盐区。本文所称的姚慈稻棉区,即为姚、慈两县内部的姚江平 The two counties of Yao (Yuyao) and Ci (Cixi) are located in the eastern part of Zhejiang Province. Between the Siming Mountain and the south bank of Hangzhou Bay, the four counties from the south to the north include the Siming Mountain, the Yao River Plain, the Three Northern Plains and the coastal painted land The type of production area also changes in turn, from mountain forests, rice areas and cotton areas to salt areas. In this paper, Yao Tzu rice area, namely, Yao, Ci Yao County within the two counties