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DDV 缓释块防治书虱等储粮技术DDV 缓释块是我省枝江县粮食局研制的.于九0年九月通过省局鉴定,它适用于粮食,农业、种子、中药材以及外贸等部门不同品种。不同储存形式存粮、种子、中药材中的书虱等储藏物害虫的诱杀防治,能在不少于三个月的时间内保持对书虱等害虫有显著的诱杀效果.其技术原理是利用某些物质加水成型变硬的特性来载负和控制 DDV
DDV sustained-release block prevention and control of lice and other grain-saving technology DDV slow-release block is developed in our province Zhijiang County Grain Bureau .1990 in September through the provincial bureau appraisal, it applies to food, agriculture, seeds, Chinese herbal medicines and foreign trade Different departments and other varieties. Stored in different storage forms, seed, book lice and other stored insects in Chinese medicine trapping prevention and control, in not less than three months to maintain louse and other pests have a significant effect of trapping its technical principle is the use of a Some of these materials add water and harden to load and control DDV