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资源科学 2010
An External Advantage Evaluation of Crop Production Development Based on the Comparative Advantage Theory
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Abstract:
A rational cropping structure is critical to improving the efficiency of cropping and the incomes of farmers in rural areas.It is suggested that to establish a rational cropping structure need to account for aspects of natural resources,social economy,ecological environment,technology development level,market requirements,and so forth.Adjustment of the cropping structure is,however,a big and difficult problem to deal with.In the present work,the authors were trying to offer a new way to adjust the cropping ...