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该文对河南省长江防护林工程区主要林木病虫害发生危害状况、发生规律进行了全面调查和分析 ,提出了综合治理对策。
This paper conducted a comprehensive survey and analysis of the occurrence and occurrence of major pests and diseases of the Yangtze River Shelterbelt Project in Henan Province and put forward a comprehensive management countermeasure.