PENGQiang,LIXu-hua,LIHai-yan,et al.EffectofControlledReleaseNitrogenFertilizerontheGrowthofGreenPepper[J].Northern Horticulture,2012,36(11):155-158.
控释氮肥对保护地辣椒生长的影响
- Title:
- EffectofControlledReleaseNitrogenFertilizerontheGrowthofGreenPepper
- 文章编号:
- 1001-0009(2012)11-0155-04
- 分类号:
- S641.306+.2
- 文献标志码:
- A
- 摘要:
- 采用田间试验方法，研究了保护地辣椒完全空白（T1）、农民习惯施肥（T2）、等量控释氮肥和磷钾肥（T3）、80%控释氮肥和等量磷钾肥（T4）、80%控释氮肥和80%磷钾肥（T5）等不同施肥方式和施肥量对辣椒产量、植株养分含量、干物质积累量及品质的影响。结果表明：与农民习惯性施肥相比，T3处理产量最高，比T2增产12.3%，T4、T5处理产量并未显著性降低。在定植后40d，各处理辣椒植株N、P、K含量达到最高，T3处理干物质累积量和氮磷钾累积量较高。T4处理氮磷钾累积量比T2处理高。T2、T3、T4处理辣椒维生素C含量差异性不显著，各处理间辣椒可溶性糖含量变化不大。T3、T4、T5处理辣椒硝酸盐含量均显著低于T2处理（P<0.05）。综合考虑，在农民习惯性施肥基础上施用80%控释氮肥和等量的磷钾肥可以保证较高的产量和较好的果实品质。
- 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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备注/Memo
第一作者简介：彭强（1987-)，男，硕士，现主要从事植物营养机理与调控研究工作。
责任作者：李絮花（1964-），女，博士，教授，博士生导师，现主要从事植物营养调控和机理等研究工作。
基金项目：山东省蔬菜创新团队建设基金资助项目（鲁财教指（2010）196）。
收稿日期：2012-03-10