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为了解桂北农民的膳食结构、营养状况及存在问题，为国家制定营养改善政策提供依据，我们于１９９２年１０月对桂北农村１２０户散居农民进行了营养调查，现报告如下。１调查内容与方法１．１调查对象采用分层多级整群随机抽样［１］，抽取全州县凤凰乡的和平村和麻市村、石塘
To understand the dietary structure, nutritional status and existing problems of peasants in northern Guangxi, we provided the basis for the formulation of nutrition improvement policies in our country. In October 1992, we conducted a nutrition survey on 120 rural residents in northern Guangxi. The report is as follows. 1 contents and methods of investigation 1.1 The survey using stratified multilevel cluster random sampling [1], the extraction Quanzhou Fenghuang Township peace Village and Ma City Village, Shitang