plant sanitation
2.5. The contrast analyses among the 3 control methods such as normal control method (spraying DDVP), DDVP smoking agent method and plant-material smoking agents method showed: the DDVP residual in the cucumber was 0.253 mg/kg by using the normal control method, which exceeds the sanitation standard of vegetable safety (>0.2mg/kg);
3.Application: SPX-series biochemical incubator , widely used in universities and colleges , scientific research institute and production division in the fields of environmental protection , sanitation and epidemic prevention , animal husbandry , fishery , etc . is a culture box with constant temperature specially for analyzing water body , determining BOD , cultivating bacteria and microbe , preserving and planting plant and breeding test .

