The application of power-exponent model in researches of pest density and crop yield losses
Author of the article:JIN Kai-Zheng1,SHAO Da-Fu2
Author's Workplace:1.(Hangzhou Agricultural School,Zhejiang Province 310023,China),2.(Hangzhou Institute of Agricultural Sciences,Zhejiang Province310024,China).
Key Words:power-exponent model;pest density;crop yield losses;damage
Abstract:This paper first quoted power-exponcnt model(y=yLMexp(-bda))to fitting relations between pest density and crop yield,simulated 15 different source data of pests competed with crops and proved the actual biology