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cje ›› 1999, Vol. ›› Issue (4): 65-68,75.

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Analysis of Traditional Agri-ecosystem:a Case Study in Songjiang County

Wang Jiange   

  1. The Institute of Chinese Historical Geography, Fudan University, Shanghai 200433
  • Received:1997-04-14 Online:1999-08-10

Abstract: According to the survey report of 63 farmer household at Songjiang county in 1940,traditional agricultural ecosystem was analyzed. The ecosystem was not a typical closed system as other ecosystem in traditional society, but a open system by market. Although having higher organic fertilizer input, the ecosystem was in a nitrogen-Limitative State.

Key words: micro-sprinkling irrigation, hose length, soil water distribution, water consumption characteristics, grain yield, winter wheat.