摘要
Fieldexperimentswereconductedtoassesstheimpactofvariousorganicsources,inorganicnitrogen(N)andthedifferentcombinationsofinorganicN(urea)+organicsourceontheyieldcomponents(YC)andgrainyield(GY)ofhybridrice(OryzasativaL.,Pukhraj)underrice-wheatsystem.TheexperimentswereconductedatBatkhela(Malakand),NorthwesternPakistan,in2011and2012.OurresultsrevealedthatYCandGYrankedfirstforthehybridricewhenappliedwithsoleinorganicN(urea),followedbytheapplicationofNinmixture(urea+organicsources),whilethecontrolplots(noNapplied)rankedinthebottom.Amongthesixorganicsources(threeanimalmanures:poultry,sheepandcattle;threecropresidues:onion,berseemandwheat),applicationofNintheformofpoultrymanurewassuperiorintermsofhigherYCandGY.Whenapplying120kg/hm2Nsource,75%Nfromurea+25%NfromorganicsourceresultedinhigherYCandGYin2011,whileapplying50%Nfromurea+50%NfromorganicsourcescausedhigherYCandGYin2012.Therefore,thecombinedapplicationofNsourcesintheformofurea+organicsourcecanproducegoodperformancesintermsofhigherYCandGYofriceunderrice-wheatcroppingsystem.
出版日期
2016年06月16日（中国Betway体育网页登陆平台首次上网日期，不代表论文的发表时间）
