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1前言美国是世界主要食糖出口国之一,制糖生产主要包括甜菜和甘蔗制糖工业,根据美国农业经济研究服务部报告[1],甜菜糖约占54%而甘蔗糖占46%。美国的甜菜种植主要分布在五个区域包括2个州,总面积达到160万英亩(960万亩)[2],最大的甜菜种植区域是位于北达科他州东部和明尼苏达州
1 Introduction The United States is one of the major sugar exporters in the world. Sugar production mainly consists of sugar beet and sugar cane sugar industry. According to the report of the US Department of Agriculture Economic Research Service [1], beet sugar accounts for about 54% and sugar cane sugar accounts for 46%. The United States beet cultivation is mainly distributed in five regions including two states with a total area of 1.6 million acres (9.6 million mu) [2], the largest beet cultivation area is located in eastern North Dakota and Minnesota