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divdivdiv class=ts-pagebuttonPage 8button div class=ts-image amp-img class=ts-thumb alt=Page 8: upper soil profile because of the long residence time in soil prior to weed emer- gence in spring Although cold soils will retard degradation of herbicides in northern little is known src=https:reader031vdocumentinreader031viewer20220118005ab442ce7f8b9ab7638b8624html5thumbnails8jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 9button div class=ts-image amp-img class=ts-thumb alt=Page 9: upper soil profile because of the long residence time in soil prior to weed emer- gence in spring Although cold soils will retard degradation of herbicides in northern little is known src=https:reader031vdocumentinreader031viewer20220118005ab442ce7f8b9ab7638b8624html5thumbnails9jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 10button div class=ts-image amp-img class=ts-thumb alt=Page 10: upper soil profile because of the long residence time in soil prior to weed emer- gence in spring Although cold soils will retard degradation of herbicides in northern little is known src=https:reader031vdocumentinreader031viewer20220118005ab442ce7f8b9ab7638b8624html5thumbnails10jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 11button div class=ts-image amp-img class=ts-thumb alt=Page 11: upper soil profile because of the long residence time in soil prior to weed emer- gence in spring Although cold soils will retard degradation of herbicides in northern little is known src=https:reader031vdocumentinreader031viewer20220118005ab442ce7f8b9ab7638b8624html5thumbnails11jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 12button div class=ts-image amp-img class=ts-thumb alt=Page 12: upper soil profile because of the long residence time in soil prior to weed emer- gence in spring Although cold soils will retard degradation of herbicides in northern little is known 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