NATIONAL PESTICIDE APPLICATOR CERTIFICATION CORE MANUAL [CHAPTER 1] ACTUAL 100%
NATIONAL PESTICIDE APPLICATOR CERTIFICATION CORE MANUAL [CHAPTER 1] ACTUAL 100% Pest - ANS----Undesirable organism that injures humans, desirable plants and animals, manufactured products, or natural substances Pathogens - ANS----Disease causing organisms, such as viruses, bacteria, or fungi, weeds, mollusk, slugs, snails, fish, birds, mammals from mice to deer Secondary Pest - ANS----An organism that may become a serious problem when a key pest or natural enemy is controlled or eliminated Occasional Pest - ANS----An organism that causes intermittent damage as a result of changing environmental conditions or fluctuations in populations of a natural enemies Economic Threshold - ANS----The pest population density at which control measures are needed to prevent the pest from causing economic injury DDT Concentrations (parts per million) 20.00 - ANS----Fish Eating Birds DDT Concentrations 2.0 - ANS----Fish DDT Concentrations .20 - ANS----Zooplankton DDT Concentrations .04 - ANS----Plankton Al
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