简介：Inthisresearch,fiveplotsareselectedbasedonstandstorageandproductivityofplantedforestofLarixkaempferi(Japaneselarch)aswellastheirrelationshipwithfactorssuchasforestage,siteconditionandstandden-sity.Throughstandardplotinvestigationandmethodoftrunkanalysis,systematicresearchisconductedonstorageandproductivityoftheplantedforestandtheirrelationshipwithsitecondition.Asshownintheresearch,produc-tivityofplantedforestofLarixkaempferiinlowlatitudeareaishigherthanthatinhighlatitudeareawhilestandproductivityishigherinslightacidsoil.Contentsofpotassiumelementinthesoilhaveconsiderablein?uenceonproductivityoftheLarixkaempferiforest.

简介：AccordingtotherelationshipbetweenToonasinensisRoemstandvolume,productivityandforestage,siteconditions,standdensityandotherfactors,throughselecting8representativecitiesorcounties,usingstandardinvestigationandstemanalysismethod,thispapermakesrelativelysystematicresearchabouttheToonasinensisRoemplantationaccumulation,productivity,andtherelationshipbetweenthemandsiteconditions.Throughcomparativeanalysisindicatorsofmultiplesiteconditions,thispaperexpectstogiveamorecomprehensivepictureaboutthesourceofaccumulationandproductivitydifference.