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某些害虫的发生期用物候法预测曾是可行的方法之一。但是用物象法预测害虫的发生量和危害程度尚未见报道。笔者在预测预报实践中逐步发现并初步运用了这一新的方法,现在介绍如下。一、物象法的定义及来源物象,《辞源》释:“事物的气象、形象、”,在自然界中,指生物和非生物及其在繁育、活动、变化、发展中显示出的带规律性的特征和现象。物象法就是利用某些与害虫发生有关的物象在时间和空间所表现出的程度、数量指标去预测害虫发生量和危害程度的一种方
Prediction of the occurrence of some pests by phenology has been one of the possible ways. However, the use of image prediction method for the occurrence of pests and the degree of harm has not been reported. The author in the forecasting and forecasting practice and gradually found that the initial application of this new method, are introduced below. First, the definition of the law of the object and the source image, “Ci Yuan” release: “The meteorology, image of things,” in nature, refers to the biological and non-biological and its breeding, activity, change, development with regularity Features and phenomena. The image law is the use of some of the occurrence of pests associated with the image of the time and space shown by the extent of quantitative indicators to predict the amount of pests and the extent of a hazard