文章基本信息

标题：Intensity of Integrated Pest Management (IPM) Practices Adoption by U.S. Nursery Crop Producers
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作者：Pandit, Mahesh ; Paudel, Krishna P. ; Hinson, Roger A. 等
期刊名称：Journal of Agribusiness
印刷版ISSN：0738-8950
出版年度：2012
期号：Suppl
出版社：Journal of Agribusiness
摘要：We examined the intensity of integrated pest management (IPM) techniques adoption by U.S. nursery crop producers using parametric and nonparametric methods. We used data collected from 2009 National Nursery Survey to identify effects of variables associated with nursery producers on the number of IPM techniques used. Our results indicated that Pacific and Southeast regions, sales of trees, year farm was established, and number of trade shows were positively related to the number of IPM techniques adopted, whereas sale volume of trees/shrubs and foliage had opposite effects. We found a nonparametric specification superior compared to a parametric specification in IPM intensity analysis.
关键词：IPM;Negative Binomial;Nonparametric;Plant Nursery;Quasi Likelihood;Zero Inflated Negative Binomial