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1、中国水稻科学(ChinJRiceSci),2013,27(2):153-160http://www.ricesci.cnDOI:10.3969/j.issn.1001-7216.2013.02.007153玉米秸秆还田与实地氮肥管理对水稻产量与米质的影响葛立立马义虎卞金龙王志琴杨建昌刘立军*(扬州大学江苏省作物遗传生理重点实验室/农业部长江中下游作物生理生态与栽培重点开放实验室,江苏扬州225009;*通讯联系人,E-mail:ljliu@yzu.edu.cn)EffectsofReturningMaizeStrawtoFieldandSite-sp
2、ecificNitrogenManagementonGrainYieldandQualityinRiceGELi-li,MAYi-hu,BIANJin-long,WANGZhi-qin,YANGJian-chang,LIULi-jun*(KeyLaboratoryofCropGeneticsandPhysiologyofJiangsuProvince/KeyLaboratoryofCropPhysiology,EcologyandCultiva-tioninMiddleandLowerReachesofYangtzeRiverofMinistryof
3、Agriculture,YangzhouUniversity,Yangzhou225009,China;*Correspondingauthor,E-mail:ljliu@yzu.edu.cn)GELili,MAYihu,BIANJinlong,etal.Effectsofreturningmaizestrawtofieldandsite-specificnitrogenmanagementongrainyieldandqualityinrice.ChinJRiceSci,2013,27(2):153-160.Abstract:Afieldexper
4、imentwasconductedtoinvestigatetheeffectsofreturningmaizestrawtofield(RMSF)ongrainyieldandqualityinricewithjaponicaYangjing4038asmaterial.Themainresultsduringthreeyears(2009-2011)wereasfollows:1)RMSFcouldincreasetotalNcontentandorganicmattercontentinpaddysoil;2)Underthecondition
5、ofnonitrogen(N)applied,RMSFsignificantlyincreasedgrainyieldby18.9%-32.0%,whencomparedwithCK(withoutmaizestrawreturning);3)Undertheconditionofsite-specificnitrogenmanagement(SSNM),RMSFdecreasedNrateby7.4%-16.7%,andincreasedgrainyieldby0.5%-11.0%,enhancedpartialfactorproductivity
6、ofNfertilizerby18.0%-31.7%,whencomparedwithCK;4)UndertheconditionsofnoNapplicationorSSNM,RMSFsignificantlyimprovedheadricerate,peakviscosityandbreakdownvalue,reducedchalkygrainrate,chalkiness,finalviscosityandsetbackvaluewithoutsignificantdifferencesinbrownricerate,milledricera
7、te,amylosecontentandgelconsistencewhencomparedwithCK.RMSFalsoincreasedproteincontent.TheaboveresultsshowedthatRMSFwasbeneficialtosoilfertilizing,andSSNMwouldhelpfurtherreducetheamountofNrateandincreasegrainyieldandqualityofriceaswell.Keywords:maizestrawreturning;site-specificni
8、trogenmanagement;rice;yield;grainquality葛立立,马义虎,卞金龙,等.
