覆膜交替溝灌條件下梨樹(shù)生長(zhǎng)及其水分高效利用的試驗(yàn)研究.pdf

1、中國(guó)農(nóng)業(yè)大學(xué)碩士學(xué)位論文覆膜交替溝灌條件下梨樹(shù)生長(zhǎng)及其水分高效利用的試驗(yàn)研究姓名：武亨飛申請(qǐng)學(xué)位級(jí)別：碩士專(zhuān)業(yè)：農(nóng)業(yè)水土工程指導(dǎo)教師：黃興法20070601AbstractStudiesunderthedifferentsoiltextureconditionswitlltheappropriatealternateirrigationfUIIOWsizewillnotonlyenhancetheyieldandthequalityof

2、thefruit，butalsomayexplorethebestmoistpatternofthepeartrec，andenhancethewatermeffieieney(WUE)TheirrigationmethodtheirrigationflIlTOWsizeandthedifferentsoiltexturesWCIethetechnicalparametersofthisexperimentneexperimentnea

3、lmcntsconsistedofdifferentfurrowwidthanddepthThewidthofirrigationfllITOWwas30em40emrespectivelyandthedepthwas20em30erarespectivelyThetraditionalfloodingirrigationWaSsetasCheckoneTwokindsofthesoiltcxt_lltewereusedintheexp

4、erimentThefUlTOWsizeofTreatmentl(T1)w∞20emofdepthand30emofwkhhwhileTreatment2(T2)20eraofdepthand40eraofwidthTreatment3(T3)30emofdepthand30eraof謝d妣Treatment4(r4)30emofdepthand40eraofwidthTheexperimentresultsshowedasfollow

5、s1)ThesametreallnentwithdifferentsoiltcxtllrcsleadstodifferentirrigationwatervolumeTheirrigationwatervolumeunderconditionofsandysoilWaSmolethanthatunderthe10mconditionBothirrigationwatervolumeandirrigationtimeincreasewit

6、htheincreaseofditchsize2)TheCheck(cK)onew∞thehighestintheyieldandthebestinfruitqualityofthepearundertheconditionofsandysoilButfromthewatersavingpointsofviewtheWUEinCKWaSWOISethanthatinothertreatments，WUEin1“3wasthebest，i

7、tsyieldw船lessthanCKbutmorethanothertreatmentsThefruit掣IalityinT3WaSonlyalitllelCS$thanthatin1“2whoseqtmlityw∞thebestSotheidealtlcatmcntwas13undertheconditionofsandysoil；3)Inloam，thehighestyieldwasfromT3111ebestqualitywas

8、fromCKbutitsyieldWaSmolelessthanotherIreallllelltltTheyieldinCKWasonly75％ofthatinT3，anditsirrigationwatervolumeandirrigationtimewereIIIOIethanothertreatments，whichledtolowlaboreflfiei∞eywastingwatertcsourcc8andlowingWIrE