脫硫副產(chǎn)物改良強堿化土壤持續(xù)效果的研究.pdf

1、內(nèi)蒙古農(nóng)業(yè)大學(xué)碩士學(xué)位論文脫硫副產(chǎn)物改良強堿化土壤持續(xù)效果的研究姓名：祁晨華申請學(xué)位級別：碩士專業(yè)：農(nóng)業(yè)水土工程指導(dǎo)教師：呂志遠20070501StudyontheContinuousEffectinImprovementofHeavySodicSoilswithDesulphurizationByproductAbstractItisalongtermandcomplicatedcoursetoutilizethedesulphuri

2、zationbyproducttoimprovepropertiesofsodicsoilStudyingcontinuouseffectinimprovementofheavysodiesoilwithdesulphurizationbyproductisimportanttoobtaintheoriesofcompletelyimprovementThroughanalyzingdatainthefieldfrom2003to200

3、6，thequantitativeassesacallbeobtainedfordifferentdesulphurizationbyproductofconsumptiontocontinuouseffectofphysicalandchemicalpropertiesofsoilBasedonanalyzingtheimpactongrowthoourseofthesunflowerandoutputofdifferentconsu

4、mptiondesulphurizationbyproducKthebestconsumptionofthedesulphurizationbyproductCanbeconfirmedTheresultsindicatedthat：(1)ThereducingdegreeofESPSARandpHisnotpositivecorrelationwiththeconsumptiondesulphurizationbyproductWit

5、htheconsumptionofdesulphurizationbyproductincreased，thereducingdegreeofESPSARandpHfirstincreasethendecreaseWhen，theeffectinimprovementofheavysodiesoilsisbestInthefirstyearwhenthedesulphurizationbyproducthadbeenteredintos

6、oil。ESPSARandpHreducedrelativelylittle，sincethesecondyearthedegreeofeveryindexhasbeenincreasedgraduallyLastuntilthefourthyeartheresultoftheimprovementreachesbest(2)Theyieldofsunflowerisnotpositiveconcisionwiththeconsumpt

7、iondesulphurizationbyproductAddingtheappropriateamountofbyproduct，theyieldofsunflowerisincreasedButtheexcessiveamountcanmaketheyielddecreasedWiththeconsumptionofdesulphurizationbyproductincreased，thefirstincreasethendecr

8、easeWhenthegranulesweightofpersunflowerandtheyieldreachmaximum，theusedamountofthebyproductis108andll17tonsperhectarerespectively(3)Improvementofsodicsoilswithdesulphurizationby—productisalongterraprocessAsforlowerosmosis

9、oforiginalsoilandpoorventilatedpermeabilitytheeluviationisweakWhenaccessingtothebyproducLthespeedofreplacementreactionischokedbackandsoilexchangeablesodiumCannotimmediatelydischargedsoilWiththepassageoftime，soilphy7sical

10、andchemicalpropertiesarcimproved，soilpermeabilityandeluviationareincreasedandthespeedofreplacementreactionisquickESPSARandpHaredecreasedwiththereduceofexchangeablesodiumKeywords：Desulphurizationbyproduct；Soilimprovement：