摘要
Alaboratorylysimeterexperimentwasconductedtoinvestigatetheeffectsofforagecorn(ZeamaysL.)stalkapplicationontheCO2concentrationinsoilairandcalcareoussodicsoilreclamation.Theexperimentaltreatmentstestedweresoilexchangeablesodiumpercentage(ESP)levelsof1,11,and19,addedcornstalkcontentsof0to36gkg-1,andincubationdurationsof30and60days.TheexperimentalresultsindicatedthatcornstalkapplicationandincubationsignificantlyincreasedCO2partialpressureinsoilprofileandloweredpHvalueinsoilsolution,subsequentlyincreasednativeCaCO3mineraldissolutionandelectrolyteconcentrationofsoilsolution,andfinallysignificantlycontributedtoreductiononsoilsodicitylevel.Thereclamationeffciencyofcalcareoussodicsoilsincreasedwiththeaddedcornstalk.Whencornstalkswereaddedattheratesof22and34gkg-1intothesoilwithinitialESPof19,itsESPvaluewasdecreasedby56%and78%,respectively,afterincubationof60daysandtheleachingof6.5porevolumes(about48Lofpercolationwater)withdistilledwater.Therefore,cropstalkapplicationandincubationcouldbeusedasachoicetoreclaimmoderatecalcareoussodicsoilsorasasupplementofphytoremediationtoimprovereclamationeffciency.
出版日期
2009年04月14日（中国期刊网平台首次上网日期，不代表论文的发表时间）
