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PH3 RECIRCULATION FUMIGATION WITH APPLICATION ALP TABLETS ON THE SURFACE OF GRAIN BULK

Zhao Qiuhongª¤
(Ningxia Research Institute of Cereals 750004)ª¤
Li Chunyanª¤
(Zhongwei State Grain Storage 751700)

PH3 recirculation fumigation by phosphine generator combined with application AlP tablets on the surface of grain bulk was tested to kill the stored-grain insects in large warehouse in the season of low temperature.The result showed that the method is economical and practical,and the mortality of insects was 100%.
Keywords: recirculation fumigation, PH3, stored-grain insect, low temperature