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在广州地区用PVC六面密闭,一年一次缓释熏蒸的应用相当广泛。本文通过对不同品种的部分粮堆PH_3浓度的变化进行分析,找出规律及影响因素,科学地指导熏蒸,提高防治效果。
PVC in Guangzhou in all six closed, the release of fumigation once a year a wide range of applications. In this paper, we analyzed the changes of the PH_3 concentration of some grain piles of different varieties, found out the rules and influencing factors, and scientifically directed the fumigation to improve the control effect.