Preliminary Analysis on Effects of Killing Insects and Economy in the Prevention and Treatment for Stored Grain Pests

摘要

During the prevention and treatment of stored grain pests, the aims should be to store grain safely and economically. Factors that need to be considered include the different methods of distributing chemicals, application of different fumigating measures, selection of different treatment times,the different pest species and selecting nonfumigation or partial fumigation depending on the assessment of the pest numbers.