设施土壤次生盐渍化的绿色修复技术（完整版）实用资料(可以直接使用，可编辑完整版实用资料，欢迎下载）上海交通大学硕士学位论文设施土壤次生盐渍化的绿色修复技术姓名:胡萍申请学位级别:硕士专业:农业生物环境与能源工程指导教师:何明20050110设施土壤次生盐渍化的绿色修复技术摘要上海地区的设施土壤由于受到栽培施肥等人为条件和地下水位高土壤板结现象严重次生盐渍化程度明显并适当增施有机肥灌水洗盐效果不佳设计盆栽试验单因素试验分析设施土壤次生盐渍化的成因有机肥炉渣等绿色修复因子对土壤盐分并考虑因子的综合影响又能大大提高作物产量和质量易推广的绿色修复技术结果表明混土试验中盐渍土与客土1:1混合的处理也能提高西瓜的产量和含糖量但全部换客土费时盐渍化改良剂更能促进土壤养分的运输直径以及根系和地上部的鲜重有机肥土壤盐渍化改良剂盐渍化改良剂不仅能有效降低土壤盐分有机肥和秸秆的单独使用对土壤的速效养分有一定的保持作用,为土壤的再利用打下坚实基础综合单因素试验的3个因子发现有机肥和秸秆一起使用与有机肥对改良土壤次生盐渍化的效果好便于推广使用关键词次生盐渍化ANAPPROACHTOENVIRONMENTALLYRESPONSIBLEREMEDIATIONOFSECONDARYSALINIZATIONOFTHESOILSINTHEGREENHOUSEABSTRACTTherewereveryseriousproblemswithsecondarysalinizationofthesoilsinthewatermelongreenhouse.Duetoman-madecultivation,irrigation,fertilizationandnaturalenvironmentconditionsuchashighundergroundwatertableandborderingtheChinaEastSea,soilsbecomeeasilyhardenedsothatitwasdifficultforirrigationwatertopenetration.TheexistinggreenhousesinShanghaihavehardlyundergroundtile-drainage,sotheattemptofirrigationtodecreasethesalinitywasnotsoeffective.Inthispaper,fromthepointofenvironmentallyfriendlyfertilizerandplantingtechnology,theexperimentsofpottedplant,mixedsoil,singlefactor,andLatinequationweredesignedtoanalyzethereasonofsecondarysalinizationofthesoilsinthegreenhouse,especiallytodiscusstheeffectofvirescenceapproachonsalinizationandnutritionsuchassoilconditioner,organicfertilizer,straw,andslag.Inaddition,thecombinationofallfactorswasconsideredandanapproachtoremediationwithlowcostwasconcludedwhichcouldremediatethesecondarysalinizationofthesoilseffectivelyandimprovethequalityandquantityofcropsgreatly.Thefollowingresultswereshowedindifferentexperiments.Inthemixedexperiment,thedisposalwastomixthenon-salinizationsoilswiththesalinizationsoilsindifferentproportions.Itwasconcludedthatthesalinityofmixedsoilsintheratioof1:1couldreducethesecondarysalinizationofthesoilseffectively,andcouldincreasethequantityandsugarcontentofwatermelonwiththesameeffectofusingnon-salinizationwholly.Howeverthelatter