滄州節(jié)水型種植制度建設(shè)研究.pdf

1、中國(guó)農(nóng)業(yè)大學(xué)碩士學(xué)位論文滄州節(jié)水型種植制度建設(shè)研究姓名：程霞申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：作物栽培學(xué)與耕作學(xué)指導(dǎo)教師：胡躍高2002.6.1AbstractBasedontheinvestigationandtheexperiments，onthebackgroundofthedoublepressureofthelackofwaterandhighoutputbutnotfollowsgoodeconomicbenefitsinCangzh

2、ouregionofHeibeiprovince；Inthelightoftheoriesofagronomyandeconomics，thispaperanalysesandcontrastingoftheyield，wastedwatereconomicprofits，theeconomicutilizationratioofwaterirrigation，andthewaterecologicalsuitabilityofabou

3、tthemainplantingpatternsofCangzhouregion：Wheatmaize，cotton(openaircoveredwithvelamen)，foragerye—cotton，alfalfafruit(apple，peat)，jujubewheatmaize，vegetable(greenhousevegetable，openairvegetable)，discussingtherouteoffarming

4、systemadjustmentonthewaterbalancethemajorresultisaSfollows：1theanalysisofcropwaterecologicaladaptabilityshows：wheat’Scropwaterecologicaladaptabilityisbad，thatofvegetableandforageryeislessthanwheat；atoffruit，alfalfa，COrn，

5、cottonarebetterthanwheat，waterabsenceislittle，thesummercorn’Swaterecologicaladaptabilityisthebestone，yearlyprecipitationissufficientthedemand，andalfalfacharacterofsaltresistingandsterile—resisting，Itswaterecologicaladapt

6、abilityisbetterthanothercropsinsalinizedsoil，fromplantmodel，waterecologicaladaptabilityofryegrasscottonislessthanthatofwheatcorn，andthatoftheseplantmodelarelessthanthatofcotton，summercorn，Itistestifiedthatwaterecological

7、adaptabilityofdoublecroppingisbad2theanalysisofcropsystemofeconomicbenefitandratioofwaterresourceshows：thedifferentofvaryplantmodelisevident，theproductionvalueandincomeofvegetableishighest，butwastedwaterirrigatedwaterofi

8、tishighestatthesametime，Ifitplantsgreat，itwillbringwaterproblem，andeconomicbenefitoffroit(apple，pear)，jujube—wheat—maize，ryegrasscottonarebetterbuttheirwastedwaterirrigatedwaterishigher，SOtheeconomicutilizationratioofwat

9、erirrigationislowtakingintoaccountinall，theeconomicutilizationratioofwaterirrigationofco札onandalfalfaishigheLhavingagoodfutureinCangZhou3thestrategiesofsustainabledevelopingofcroppingsysteminthefutureofCangZhou：Intheprin

10、cipleofwaterbalance，basedonhiighwateruseefficient，enhancingwholeefficiencyofcroppingsystem，improvingitsqualityandharmonizinglivestockindustryandproceedindustryBaseonthedevelopmentofwatersavingtechnology，weshouldrestrictt

11、heareaofvegetable，themostareaofvegetableis565267hm2，payingattentiontodevelopsimpletrickleatthesametimeandonthepromiseoffoodsecuritythedevelopmentofwheatandmaizeshouldbeundercontrolandbasedonwatersavingplantingmodelII(bas

12、ewaterirrigatingonwheat，ramzeandone—irrigatingonwheatinspring)Itsareashouldexceed245％infieldBasedonthebalanceofthewaterresourcesupplyanddemand，weshouldencouragealfalfaplantingtodevelopstockraisingandincreasethefarmerinco