摘要
害虫的防治指标一直是害虫控制论中的关键技术之一 ,是害虫治理项目实施成败的关键。本文论述了森林害虫防治指标的划分原则 ,4种主要指标类型的区别及适用范围 。
Control index is one of the important technologies in pest control theory and the key factor deciding the success or failure of operation in pest management project.The dividing principle of pest control index,the difference and suitable ranges of 4 important index types,and 3 basic methods in determining control index are discussed.
出处
《陕西林业科技》
北大核心
2000年第2期56-58,62,共4页
Shaanxi Forest Science and Technology