Abstract

Much research has been on the agro-divisions of the Huang-huai-hai Plain,but little quantitative study has ever been undertaken.This paper investigated 301 counties in the Huang-huai-hai Plain,and quantitatively and qualitatively probed the general strategic agro-divisions and layout of natural resources,crop output and gross agro-output values of the plain.The plain is primarily divided into low and high production areas.The high production areas are in turn divided into 7 micro-advantageous regions,which are advantageous regions of foodstuff;cotton;oil crops;foodstuff and cotton;foodstuff and oil crops;cotton and oil crops;and foodstuff,cotton and oil crops.On this basis,specific layouts are developed for each group.Such is of strategic and theoretical significance to agricultural development in the Huang-huai-hai Plain.

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