摘要
Applicationofsilicon(Si)couldgreatlyboostriceyieldandmitigateabioticstress,especiallydrought.Afieldexperimentwasconductedduring2015attheresearchfarmofHongDucUniversity,ThanhHoaCity,Vietnam,toevaluatetheeffectsoffivedifferentcombineddosesofstandardfertilizerpracticeandSifertilizerongrowth,yieldandyieldcomponents,aswellasnutrientuptakeofrice.Thetreatmentsconsistedoftherecommendeddoseoffertilizer(RDF,110kg/hm2N+90kg/hm2P2O5+80kg/hm2K2O)asthecontrol,RDF+100kg/hm2SiO2,RDF+200kg/hm2SiO2,RDF+300kg/hm2SiO2andRDF+400kg/hm2SiO2.Theresultsshowedthatthegrowth,grainandstrawyieldsaswellasyieldcomponents(numberofgrainsperpanicle,seed-settingrateand1000-grainweight)weresignificantlyaffectedbySiapplication.Thehighestgrainyieldof3705kg/hm2wasobtainedwiththehighestlevelofSifertilizerincombinationwithRDF(RDF+400kg/hm2SiO2),however,itwasstatisticallyatparwiththeyieldsobtainedwithRDF+300kg/hm2SiO2(3664kg/hm2)andRDF+200kg/hm2SiO2(3621kg/hm2).TheoptimumdoseofSifertilizerwithmaximizedgrainyield(3716kg/hm2)was329kg/hm2SiO2.Thenutrient(Si,N,PandK)uptakesofricewerealsosignificantlyenhancedbySiapplication.Siapplicationatthelevelof329kg/hm2alongwithRDFwouldhelpinthesustainableproductionofriceinthetropicalzoneofVietnam.
出版日期
2017年05月15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）
