[经济部中央实验所特刊]经济部中央农业实验所重庆

【经济部中央实验所特刊】经济部中央农业实验所经济部中央农业实验所重庆.pdfBIENNIALREPORTOFINSECTCONTROLWORK FORWARD A program with the aim of the construction of a foundation for the promotion ofinscct controlwork for the nation andthe enforcement of practicalinsect control of main crops in China,has been endeavored by the Bureau since its establishment.BIENNIALREPORTOFINSECTCONTROLWORK LISTOFTABLES Page Table:Frequcncy of Orders as Classificd in Different Groups I1 Table 2The Extcnsion of Insecticides:Spring 1935-SummerI2 Table3Showing Results of the Controlof Water Melon Insects Table4Showing Results of thc Control of Fruit Insects Table 5BIENNIAL REPORT OF INSECT CONTROLWORK PARTII REPORTOFSECONDYEAR July1936-June1937 CONTENTS Page SUMMARY I-THE PROMOTION OF INSECT CONTROL ON A NATIONAL BASIS: 1.Large-Scale Production of Two Types of Sprayer and Their Extension.Preparation of Insecticides and Their Extension 3.
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