简介：

简介：Urbanindustrialwastelandmighthavebeenaffectedbytoxicandhazardoussubstancesemittedbytheoriginalproductionactivities.Consequently,pollutionsurveyanalysisandenvironmentalriskassessmentshouldhavebeenconductedbeforeredevelopment.Inthepaper,bysurveyingsoilsamplefromwastedump,tailingpondandsurroundingareainLead-ZincMine,fuzzymathematicsmethodwasadoptedtoestablishFuzzyComprehensiveEvaluationmodelastoanalyzeconditionsofsoilpollutionbyheavymetalandsoilnutrient.ItwouldprovideimportantscientificbasisforpollutioncontrolandecologicalrestorationintheminingareaandthuscarryoutcomprehensiveecologicalrestorationinLead-ZincMine.FuzzyComprehensiveEvaluationresultsindicatedthatsoilpollutionbyheavymetalweresevere.Itcouldgiveprioritytodevelopforestry.MostdeficientsoilnutrientelementswereavailablePandN.Duetothelackofnitrogenandphosphorus,itwasnecessarytoimprovethesoilbeforephytoremediation.

简介：Inthispaper,weusetheinterflowareaastheresearchobjectinthelogicalscienceparkforsoilandwaterconservationinJiangxiprovince;andthePaspalumnatatumanditslittercoverareusedasthegroundflora.WediscussesandanalysestheverticaldistributionofrunoffsoastoprovidetheoreticalsupportforthewideapplicationofthePaspalumnatatumforsoilandwaterconservationintheregionofredsoilinsouthChina.

简介：IntheframeoftheSino-ItalianCooperationProgramforEnvironmentalProtection,jointlylaunchedintheyear2000bytheItalianMinistryforEnvironmentandTerritoryandSea(IMETS)andtheChinaStateEnvironmentalProtectionAdministration(SEPA),experimentaltrialswerecarriedoutinQingzhoucity(ShandongProvince,China)during2001-2003totestseveralmethylbromidealternativemethodstocontrolsoilbornediseasesingreenhousetomatoes.Graftingtomatoesonresistantrootstock(Lycopersiconlycopersicum×L.hirsutum),methamsodiumappliedundertraditionalpolyethyleneplasticfilms,methamsodiumappliedatlowrateundervirtuallyimpermeablefilmsandsoilsolarizationcombinedwithbiocontrolagentswerethealternativestestedandcomparedtomethylbromideappliedundervirtuallyimpermeableplasticfilmstoo.Collecteddatashowthatresistantrootstock(Lycopersiconlycopersicum×L.hirsutum)introducedfromItalyisapromisingalternativetomethylbromideforlocaltomatocultivars.Methamsodiumappliedundertraditionalpolyethyleneplasticfilmsisaneffectivealternative.Moreover,virtuallyimpermeablefilmsdemonstratethehelptoreducemethylbromideandmethamsodiumrates.Finally,soilsolarizationcombinedwithbiocontrolagentsdoesnotprovidesatisfactoryresultsintermsofdiseasecontrol.