【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.pdf
BIENNIALREPORTOFINSECTCONTROLWORK 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 5
BIENNIAL 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.