新疆棉花种植业地理集聚特征及影响因素研究

马春玥,买买提·沙吾提,依尔夏提·阿不来提,姚杰

Characteristics and influencing factors of geographical agglomeration of cotton plantation in Xinjiang

Chun-Yue MA,Sawut Mamat,Ablet Ershat,Jie YAO

表3 影响因素的假设及变量说明

Table 3 Assumption of influence factor and variable description

影响因素 Influence factor	变量 Variable	变量说明 Variable description
资源条件 Resource conditions	生产性土地面积比重 Proportion of productive land area (X₁)	棉花种植面积/土地面积 Cotton plantation areas/land area
	人均粮食产量 Per capita grain yield (X₂)	粮食总产量/总人口数 Total grain production/total population
	灌溉水平 Irrigation level (X₃)	区域灌溉用水量/耕地面积 Irrigation water consumption/cultivated area
经济和市场因素 Economic and market factors	人均GDP情况 Per capita GDP (X₄)	区域GDP总量/总人口数 Total regional GDP/total population
经济和市场因素 Economic and market factors	棉花比较效益 Comparative benefit of cotton (X₅)	棉花与竞争性作物(粮食)价格比值 The price ratio of cotton to a competitive crop (grain)
技术因素 Technical factors	机械化水平 Mechanization level (X₆)	农业机械总动力/耕地面积 Total power of agricultural machinery/cultivated area
	化肥施用量 Consumption of chemical fertilizers (X₇)	化肥折纯量/耕地面积 Consumption of chemical fertilizers/cultivated area
	塑料薄膜使用情况 Consumption of plastic film (X₈)	塑料薄膜使用量/耕地面积 Consumption of plastic film/cultivated area
交通条件和政策因素 Traffic condition and policies	交通运输网密度 Traffic network density (X₉)	每百平方千米铁路和公路的总里程数 The total mileage of a railroad or highway per 100 square kilometers
交通条件和政策因素 Traffic condition and policies	政策虚拟变量 Policy dummy variable (X₁₀)