. Annual report. Entomological Society of Ontario; Insect pests; Insects. SOCIETY OF ONTARIO 95 TABLE 1 DDT CONTENT OF MILK AS A RESULT OF SPRAYING COWS AND BARN First Spraying (July 26th, 1949) Sampling Time DDT (Days after Spraying) () -V 1 2 3 15 20 .6 .9 .8 .7 .6 Second Spraying (Aug. 17th, 1949) Sampling Time DDT (Days After Spraying) () 1 3 7 14 21 28 .8 .7 .5. 1 1 ' ' ' a o 30 ' *h> So Sampling timesCdavs) FIGURE 1. - DDT-CONTENT OF MILK SAMPLES. *First sample taken one day before Please note that these images are extracted from scanned page ima


. Annual report. Entomological Society of Ontario; Insect pests; Insects. SOCIETY OF ONTARIO 95 TABLE 1 DDT CONTENT OF MILK AS A RESULT OF SPRAYING COWS AND BARN First Spraying (July 26th, 1949) Sampling Time DDT (Days after Spraying) () -V 1 2 3 15 20 .6 .9 .8 .7 .6 Second Spraying (Aug. 17th, 1949) Sampling Time DDT (Days After Spraying) () 1 3 7 14 21 28 .8 .7 .5. 1 1 ' ' ' a o 30 ' *h> So Sampling timesCdavs) FIGURE 1. - DDT-CONTENT OF MILK SAMPLES. *First sample taken one day before Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Entomological Society of Ontario; Ontario. Dept. of Agriculture. Toronto, The Society


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Keywords: ., bookcentury1800, bookdecade1870, booksubjectinsects, bookyear1872