包膜控释肥在设施草莓栽培上的应用分析

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1、山东农业大学硕士学位论文AbstractAimingattheproblems：lowuseefficiencyofordinaryfertilizer,wasteofresources，environmentalpollutionandpoorproductqualityandSOon,inthisexperimentation，westudiedtheeffectsofcontrolled-releasemixingfertilizerongrowth，physiologyprocess，yieldofstrawberryandtheconte

2、ntsofN，EKinsoilcomparedtoordinaryfertilizerusedstrawberry觞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谢ttlT1control，theroot—shootratiounder他，T3，1"4，T5treatmentincreasedby12．1％，20．9％，14．2％，8．7％respectively,root-shootra

7、tioaresignificantlylargerunderT3，T4，thanunder他．3包膜控释肥在设施草莓栽培上的应用研究2．Undert11etreatmentsofcontrolled-releasefertilizers，thenetphotosyntheticrateincreasedsignificantlycomparedwitlltheuseofchemicalfertilizer(T2)．．Thecontentoftotalchlorophyllenhancedsignificantlyunderthetreatments

8、ofcontrolled-releaseandchemicalfertilizerscomparedtoT1，andthe