URBAN AGRICULTURE DEVELOPMENT AND THE STUDY OF SPATIAL PATTERN ABOUT XI'AN METROPOLITAN AREA
用区位商方法分析西安大都市区各县农业产业结构，找出优势产业，并研究都市农业的分布特征，提出三圈三轴的发展结构。
With Xi'an city advancing to a modernized international metropolis,its agriculture has undergone the transformation from suburban agriculture to urban agriculture.The paper use the method of locational quotient,agriculture industrial structure of Xi'an metropolitan area was analyzed,the superior industry of each county was determined of Xi'an metropolitan area;according to urban agriculture development situation of Xi'an metropolitan area,the urban agricultural distribution characteristics of Xi'an was studied.Proposed Xi'an urban agricultural development should use three circle layers and three axises structure.