Perspective on understanding and using of economic threshold in pest control.
Author of the article:SHENG Cheng-Fa，XUAN Wei-Jian
Author's Workplace：(Institute of Zoology, Chinese Academy of Sciences, Beijing 100080, China).
Key Words：economic threshold; experimentation; calculation; application
Abstract：The authors analyzed some problems with determination and application of an economic threshold in the literature. The problems with dete
rmination come from experimentation and calculation. The problems with experimentation were involved in gradient and