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《包膜控釋肥在設(shè)施草莓栽培上的應(yīng)用分析》由會員上傳分享，免費在線閱讀，更多相關(guān)內(nèi)容在學術(shù)論文-天天文庫。
1、山東農(nóng)業(yè)大學碩士學位論文AbstractAimingattheproblems：lowuseefficiencyofordinaryfertilizer,wasteofresources，environmentalpollutionandpoorproductqualityandSOon,inthisexperimentation，westudiedtheeffectsofcontrolled-releasemixingfertilizerongrowth，physiologyprocess，yieldofstrawberryandtheconte
2、ntsofN，EKinsoilcomparedtoordinaryfertilizerusedstrawberry觴materialsinthegreenhouseofShandongAgriculturalUniversityfromtheyearof2007to2008．111eobjectiveofourstudyistoprovideascientificbasisforconstitutingandoptimizingtheuseschemeofcontrolled-releasefertilizerinstrawberrycultiva
3、tionandaffordtechnicalsupportforthepopularizationandapplicationofcontrolled—releasefertilizerinstrawberrycultivationingreenhousenemainresultsareasfollows：1．negrowthindicatorsofstrawberryincreasedsignificantlyunderthetreatmentsofequivalentcontrolled—releasefertilizers(T3)and25％
4、decrementofcontrolled-releasemixingfertilizers(T4)，andWashigherthanthatundertreatmentsofchemicalfertilizer(T2)andblanktreatment(nofertilizing，T1)．Thereinto，theleafnumber，theleafarea,thepetiolelength,theinflorescencenumberandtheinflorescencelengtharesignificantlylargerunderT3th
5、anunderT2，respectively,increasingby5．8％、5．9％、8．6％、10．5％和17．1％．ThegrowthindicatorsabovearealsosignificantlylargerunderT4thanunderT2，increasingby2．3％，5．5％，5．8％，3．9％，12．9％respectively．Thegrowthofstrawberryhadnosignificantdifferencewi吐1thetreatmentsof50％decrementofcontrolled-relea
6、sefertilizers(T5)compared、Ⅳi也treatmentsofchemicalfertilizer(T2)．111eroot—shootratioheightenedsignificantlywiththeu∞ofcontrolled-releasemixingfertilizers．．Compared謝ttlT1control，theroot—shootratiounder他，T3，1"4，T5treatmentincreasedby12．1％，20．9％，14．2％，8．7％respectively,root-shootra
7、tioaresignificantlylargerunderT3，T4，thanunder他．3包膜控釋肥在設(shè)施草莓栽培上的應(yīng)用研究2．Undert11etreatmentsofcontrolled-releasefertilizers，thenetphotosyntheticrateincreasedsignificantlycomparedwitlltheuseofchemicalfertilizer(T2)．．Thecontentoftotalchlorophyllenhancedsignificantlyunderthetreatments
8、ofcontrolled-releaseandchemicalfertilizerscomparedtoT1，andthe
