坝上高寒半干旱区农业生态经济系统物质循环模式与农业可持续发展对策  

Characteristics of Matter Circulation of Agricultural Eco-economy System and Suggestion Sustainable Agricultural in High Cold and Semi-arid Area

作　　者：孙芳[1] 乔颖丽[1] 王立秋[1] 徐长金[1] 

机构地区：[1]张家口农业高等专科学校,宣化075131

出　　处：《河北北方学院学报（自然科学版）》2000年第4期37-40,共4页Journal of Hebei North University:Natural Science Edition

摘　　要：以叶家村为例,分析了坝上高寒半干旱区农业生态经济系统物质循环特征,提出了该区农业经济可持续发展的一系列对策。the essay analyzes characteristics of matter circulation of agricultural eco-economysystem in high cold and semi-arid area of Bashang by taking yejia village for an instance. Aseries countermeasures are pointed out on agricultural economy sustainable development inthe area.

关 键 词：农业生态经济系统 物质循环 可持续发展 

分 类 号：S181[农业科学—农业基础科学]