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采用自制的DDVP缓释片,对小包装袋内的大米进行缓释熏蒸杀虫试验,取得了良好的防治效果,残留测定表明,试验过的大米完全符合安全标准。
The self-made DDVP sustained-release tablets were used to carry out sustained-release fumigation and insecticidal tests on the rice in the small bags, and good control effects were obtained. Residues tests showed that the tested rice fully met the safety standards.