【摘要】 平原阶地是中国主要的耕地集中区、粮食主产区，文章按温带、亚热带和热带三个气候带分别介绍了当今成功的生态立体农业建设模式，提出了一些问题和对策．更多还原

【Abstract】 The plain and step lands is chief area of cultivated land and production grain in China. This paper showed some succeed model of the ecological stereo - agriculture in accordance with the three zone of the climate the temperate, the subtropics the tropices, and advanced some problems and countermeasures.更多还原