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cje ›› 1990, Vol. ›› Issue (3): 38-41.

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System Analysis for Matter Cycling in Asroecosystem

Lu Bingyou, Wang Liufang   

  1. Northwest Agricultural University
  • Online:1990-06-10

Abstract: This paper deals with the existing problems of nutrient cycling and its solution appreaches inWeibei highland agroecosystem.The results show that readjusting structure,increasing input,reducing ineffective consumption,raising efficiency of nutrients and exploitating technology are the essential measures for the control of the ecological environment.

Key words: Black soil, Long-term fertilization, Microbial biomass N, Dynamic characters, Related factors