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Analysis Of A Midwest Farmer Survey Of Pest Infestation, Susanne Aref
Analysis Of A Midwest Farmer Survey Of Pest Infestation, Susanne Aref
Conference on Applied Statistics in Agriculture
A survey of farmers rating the severity of crop pest infestation in their fields was conducted in the Midwest in 1992. The purpose of the present study was to detennine summary variables of the pest infestation ratings and the effect of region, soil type, and tillage on these summary variables. The pests were in the following six categories: perennial and annual weeds, insects and diseases of com (Zea mays L.) and insects and diseases of soybean (Glycine max (L.) MerritT). Categorical models were used to analyze individual pest ratings. A non-parametric method, the Sheirer-Ray-Hare extension of the Kruskal-Wallis test …