منابع مشابه
Emission Factors / Almond Harvesting
The focus of this project was to provide baseline PM10 emission factor data for almond sweeping operations as well as to move forward on quantification of a possible conservation management practice (CMP) for almond sweeping. In conjunction with the emission factor development work, continued quantification of sampler bias was conducted. This report provides an assessment of the progress and up...
متن کاملHousehold Pests
This study guide was developed for the Pesticide Risk Reduction Education program of the College of Tropical Agriculture and Human Resources, University of Hawaii at Manoa. Please direct any question or comment about this guide to: Charles Nagamine Department of Plant and Environmental Protection Sciences 3190 Maile Way Room 307 Honolulu, HI 96822 Telephone: (808) 956-6007 Email: cynagami.hawai...
متن کاملVertebrate Pests of Beekeeping
Information concerning vertebrate pests of beekeeping was gathered from state and provincial apiary inspectors through a questionnaire. Forty-eight states and 9 provinces responded. Additional pest information has been assembled from published articles. Bears represent the major vertebrate pest based on severity of damage to colonies. Total estimated losses reported amounted to $623,000 annuall...
متن کاملPests, Plagues, and Patents
The paper investigates the interaction between dynamic forms of incentive mechanisms (patent systems) and dynamic forms of problems (adaptations of pests and pathogens). Since biological problems recur, the design of the incentive mechanism must take into consideration: a) the need for investments into R&D that take into account the impermanence of the solution concepts; and b) the impact of th...
متن کاملAir War Against Pests
T. HE AIRPLANE holds a bright new hope in the farmers' uphill struggle with insects. Since 1922, when Department engineers and entomologists developed a practical method for dusting cottonfields with calcium arscnatc to protect the crop against the boll weevil, commercial airplane dusting has become routine, particularly in cultivated fields that spread over a wide area unbroken by trees or shr...
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ژورنال
عنوان ژورنال: Bulletin of the Entomological Society of America
سال: 1987
ISSN: 0013-8754
DOI: 10.1093/besa/33.3.199