RESOURCES AND ENVIRONMENT IN THE YANGTZE BASIN >> 2009, Vol. 18 >> Issue (2): 146-.

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COMPETITION MECHANISM OF CULTIVATED LANDRESOURCES IN WINTER AGRICULTURE IN THE YANGTZE BASIN：THEORY AND CASE STUDY

LI Yanling, LIU Aiming   

  1. Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101,China
  • Received:1900-01-01 Revised:1900-01-01 Online:2009-02-20

Abstract:

Increasing sown area and production of rapeseed plays an important role in enhancing China’s oilseed supply ability.The Yangtze Basin is the biggest rapeseedproducing area in the world,where rapeseed and wheat are the main winter crops and compete with each other for cultivated land resources.Based on a theoretical analysis on competition mechanism of rapeseed and wheat,this paper elaborated the internal relationships among the influencing factors of cultivated land competition,and made a thorough analysis of the two crops’ competition relationship with field survey data and results.It shows that the main factors influencing cultivated land competition include yield per unit,purchasing price,level of mechanization,labor price and national policy.The stabilization of purchasing price is the key to raising rapeseed’s competitiveness,and as the rural labor costs increase,the level of rapeseedproducing mechanization becomes an important influencing factor of production benefit.In addition,a great rapeseed production potential is revealed in the Yangtze Basin.

Key words: Yangtze Basin, rapeseed, wheat, cultivated land competition, production technique

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