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生态学杂志 ›› 1998, Vol. ›› Issue (2): 71-77.

• 研究报告 • 上一篇    

对害虫经济阈值理论的再思考

郝树广, 张孝羲   

  1. 南京农业大学植物保护系, 210095
  • 收稿日期:1996-03-11 修回日期:1996-06-18 出版日期:1998-04-10

A Further Discussion on the Economic Threshold in IPM

Hao Shuguang, Zhang Xiaoxi   

  1. Department of Plant Protection, Nanjing Agricultural University, 210095
  • Received:1996-03-11 Revised:1996-06-18 Online:1998-04-10

关键词: 淹水模式, 培养温度, 土壤灭菌/不灭菌, 砷形态

Abstract: The previous theories and methods of determining the economic threshold in Intergrated Pest Management(IPM)and some of their shortcomings were analysed in the paper. It was not satisfied to decide the economic threshold of pest only according to the rule of “cost of controlling=benefit of controlling”.

Key words: flooding mode, incubation temperature, soil sterilization/non-sterilization, arsenic species.