| chemical management of forest pest epidemics: a case study. | the management of insect epidemics in large tracts of forest is difficult given the climatic conditions encountered, the topography of the forested land, the nature of the forest, the types of chemical and/or biological insecticides registered for use, and the technologies available for insecticide application. since 1952, the province of new brunswick, canada, has been heavily involved in attempting to control an epidemic of the eastern spruce budworm (choristoneura fumiferana. clemens) that ha ... | 1990 | 2099793 |