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记述了作者 4年来在葫芦岛科研基点工作期间 ,对当地保护地蔬菜病虫害种类进行的全面调查。发现病害种类 5 6种、虫害种类 1 6种
Describes the author during the past four years in Huludao scientific research base during the work, the local protective vegetable diseases and insect pests carried out a comprehensive survey. There were 56 species of diseases and 16 species of pests