|Table of Contents|

EffectofControlledReleaseNitrogenFertilizerontheGrowthofGreenPepper(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2012年11期
Page:
155-158
Research Field:
Publishing date:

Info

Title:
EffectofControlledReleaseNitrogenFertilizerontheGrowthofGreenPepper
Author(s):
PENGQiang; LIXu-hua; LIHai-yan; LIWei; TANGShen-xin; LIUXu-feng
CollegeofResourceandEnvironmentalSciences，ShandongAgriculturalUniversity，Tai’an,Shandong271018
Keywords:
greenpepper; controlled-releasefertilizer; nutrientaccumulation; yield; fruitquality
PACS:
S641.306+.2
DOI:
-
Abstract:
Theeffectsofdifferenttreatmentsoffertilizerontheyield，quality，plantnutrientcontentanddrymatteraccumulationinvegetablegreenhousewerestudied,bythemethodoffieldtest.Therewerefivetreatments:completelyblank(T1)，habitualNmanagementofthelocalfarmers(T2)，andthesameamountofcontrolledreleasenitrogenfertilizer，PandK(T3)，80%controlledreleasenitrogenfertilizerand100%PandK(T4)，80%controlled-releasefertilizerand80%PandK(T5)onpepperyield.TheresultsshowedthatT3treatmenthadthehighestyield，increased12.3%comparedwithT2.ComparedwithT2andT3，T5treatmentdidnotsignificantlyreduceyield.Inthe40daysafterplanting，thepepperN，P，Kcontentreachedmaximuminallthetreatment.T3treatmenthadthehighestdrymatteraccumulationandN，P，Kaccumulation，andtheN，P，KaccumulationofT4treatmentwashigherthanT2treatment.ThegreenpeppervitaminCcontentdifferencewasnotsignificantamongT2，T3andT4.Thegreenpeppersolublesugarcontentchangedlittleamongallthetreatment.T3，T4，T5treatmentgreenpeppernitratelevelsweresignificantlylowerthantheT2treatment(P<0.05).Consideringthefarmershabitualfertilizerapplication，80%controlledreleasenitrogenandthesameamountofP，Kcouldguaranteeahigheryieldandbetterfruitquality.

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Last Update: 2014-10-09