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Research on Cropping System Regionalization of the Loess Plateau Region

LIU Yu-lan1,MU Xing-min1,2,WANG Fei1,2*,LI Jin-peng1,WANG Jian3(1.College of Resources and Environment,Northwest A &F University,Yangling 712100,China; 2.Institute of Soil and Water Conservation,Chinese Academy of Sciences and Ministry of Water Resources, Yangling 712100,China;3.Xifeng Control and Supervision Bureau of Yellow River Water and Soil Conservation,Xifeng 745000,China)  
The Loess Plateau region has various climate types,complex geomorphological features and serious soil and water loss,which resulted in considerable differentiation of its agricultural production conditions in the region.It is essential to regionalize the cropping system to guide the development of agricultural production.The Loess Plateau region was divided into ten different farming areas by indices including of heat(≥0℃ accumulated temperature),moisture(precipitation,dryness),landforms,etc.based on the county unit.The naming type was integrated location-landforms-dry/irrigated farming-cropping system.The characteristics of each region,such as natural and social conditions,crop type,main farming methods and development direction,were described also.
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