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Techniques of Controlled-Condition Experimentss, were found to appear also in the new, apparently adverse habitats. This phenomenon usually results from intensive cropping techniques which render originally adverse habitats more favourable to disease development. However, experiments under controlled conditions (CC) showed that some pathogens p桉树 发表于 2025-3-22 08:34:34
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Quantitative Assessment of Inoculum Production, Dispersal, Deposition, Survival and Infectiousness io cause under the specific conditions of environmental and host factors. Evaluation of these components and of their integrated effects is often so difficult that they constitute the “black boxes” in many epidemiological analyses. There are no research techniques that will eliminate completely these牛的细微差别 发表于 2025-3-22 21:05:30
Analysis of the Spatial Pattern of Soilborne Pathogensy equivocal view of spatial pattern of these pathogens. Data are routinely interpreted as though inoculum, infection and disease occurred at random. The assumption of randomness implies that the probability of occurrence of a propagule of inoculum, an infection or a lesion at a given site within a paffluent 发表于 2025-3-23 00:39:41
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The Analysis of Weather Factors in Epidemiology the preceding Chap. 7 by Sutton et al. It is concerned with the formulation of biometeorological variables and their relationship with the interactions between host (see also Seem, Chap. 4), pathogen and environment. At first, however, we shall define some fundamental meteorological terms, definiti馆长 发表于 2025-3-23 08:23:29
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