A mathematical model used for forecasting of incidence of Phalera flavescens and its chemical control
1991
Yi Boren | Qiao Chungui | Kang Zhixian (Jilin Agricultural University, Changchun (China))
On the bases of investigation, an improved Iwao sequential sampling formula was proposed to be used in determining the critical stage for the pest control according to the number of plants damaged by the pest in multisamples. This mathematical model, closely related to chemical control, was found effective in practice and can be put into use in orchard production
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