CHEMICAL COMPOSITION OF THE PEAT BOGS OF THE MARITIME PROVINCES
[摘要] TheproximatechemicalcompositionofsevenpeatbogsintheMaritimeProvinceshasbeendetermined.Theresultshavebeenexpressedasprofilesinrelationtodepthandasover-allaveragesforeachbog.TheaciditytendedtobehighatpH3.9–4.8;themoisturecontentwas90–95percent;thetotalashwaslowat0.5–3percentofwhichabout14percentwasCaO,0.85percentK2O,and2.7percentP2O5.Oftheorganicconstituentsthefractioncontainingwaxesandresinsaveragedabout7percentofthedrymatterinmostbogs.Thetotalnitrogenwaslessthan1percent.HemicellulosesandothersubstancessolubleinhotdiluteHClconstituted32–42percentofthedrymatterandhumicsubstances28–34percent.Theprocessofhumificationwasindicatedbyadecreaseincellulose,hemicellulosesandgums,andanincreaseinhumicsubstances,waxesandresins.
[发布日期] [发布机构]
[效力级别] [学科分类] 农业科学（综合）
[关键词] [时效性]
