1,B.2. (1) A Model of Agricultural land use 農業土地用途的模式,Von Thunens Model 范杜能模式,2,Von Thunens Model 范杜能模式,The first theory 首個理論 Location of various of agricultural activities 不同農業活動的位置 In Germany, early 19th century 19世紀初的德國,3,Observed觀察 various types of farming occurred in concentric rings around settlement不同的農業類別以同心環形態環繞聚落 Aims目的: how an why agricultural land use varies with the distance from a market怎樣及為甚麼 隨與市場距離，農業土地用途改變？,4,Two Basic Theories2個基本理論,Intensity of production 生產密度 Variations of cr
