海水灌溉下北美海蓬子盐肥耦合效应的研究王茂文

JiangsuJ．ofAgr．Sci．201127180～84．J．201127180-84．2240022010-03-1262108101975-。[e-mail]。1、75kg/hm2、150kg/hm210.2%、30.6%P2O530kg/hm2、60kg/hm212.5%、25.9%225kg/hm290kg/hm2。50%+150kg/hm2+60kg/hm2。2C。3、14004.4kg/hm260%135.77kg/hm278.11kg/hm2C0.763mg/g55%174.19kg/hm269.25kg/hm2。S156．4+2A1000-4440201101-0080-05CouplingeffectofsaltandfertilizerapplicationonSalicorniabigeloviiTorr．underseawaterirrigationconditionWANGMao-wenHONGLi-zhouLIUChongDINGHai-rongZHUXiao-meiInstituteofAgriculturalSciencesinCoastalAreaofJiangsuProvinceYancheng224002ChinaAbstractAfieldexperimentbasedontheorthogonaltestdesignwascarriedoutalongthecoastalestuariesofHuaiheRivertostudycouplingeffectofseawaterandfertilizerapplicationonSalicorniabigeloviiTorr．irrigatedwithdifferentconcen-trationsofseawater．Theresultswereasfollows①AppropriateamountsoffertilizerNandPcouldincreasethefreshweightsediblecaulinebranchweightsofSalicorniabigeloviiTorr．underseawaterirrigationcondition．ThefreshweightsofSalicor-niabigeloviiappliedwith75kg/hm2Nand150kg/hm2Nwereincreasedby10．2%and30．6%respectivelycomparedtoze-roNfertilizertreatmentandthoseappliedwith30kg/hm2and60kg/hm2PP2O5wereincreasedby12．5%and25．9%respectivelycomparedtozeroPfertilizertreatment．ThefreshweightofSalicorniabigeloviidropedattheapplicationratesof225kg/hm2forNor90kg/hm2forP．Theresultsofinteractioneffectexperimentshowedthatthebestcombinationtogethighediblecaulinebranchproductionwas50%seawater+150kg/hm2N+60kg/hm2P．②UnderseawaterirrigationconditionvitaminCcontentofSalicorniabigeloviiTorr．increasedwithNfertilizerapplication．③Basedontheequationbetweenseawa-terconcentrationNandPamountsandfreshweightthemaximumtheoreticalfreshweightwas14004．4kg/hm2inthetreat-mentof60%seawater+135．77kg/hm2N+78．11kg/hm2P．ThemaximumtheoreticalvitaminCcontentwas0．763mg/ginthetreatment55%seawater+174.19kg/hm2N+69．25kg/hm2Ptreatment．KeywordsseawaterirrigationcouplingeffectofsaltandfertilizerSalicorniabigeloviiTorr．yield082×106～3×106hm2。1。、。、、2-8。SalicorniabigeloviiTorr．、。9。2001。。、、、。11．120094～9120°19'E34°5'N。。、、3.8g/kg、11.0mg/kg、14.3mg/kgpH8.185.1g/kg。。1．23125.14g/L25%W1、50%W2、75%W3100%W442N0kg/hm2N1、75kg/hm2N2、150kg/hm2N3、225N4kg/hm243P2O50kg/hm2P1、30kg/hm2P2、60kg/hm2P3、90kg/hm2P4。L324932WiNiPi13964m、2.5m。1/323d。14%P2O5。1Table1Treatmentsoftheexperiment%Nkg/hm2P2O5kg/hm2%Nkg/hm2P2O5kg/hm21W1N2P225753017W2N4P350225602W1N3P4251509018W2N1P150003W1N1P32506019W2N3P250150304W1N4P125225020W2N2P45075905W1N2P425759021W2N4P15022506W1N3P2251503022W2N1P3500607W1N1P1250023W2N3P450150908W1N4P3252256024W2N2P25075309W3N4P2752253025W4N2P3100756010W3N1P47509026W4N3P1100150011W3N3P3751506027W4N1P210003012W3N2P17575028W4N4P41002259013W3N4P4752259029W4N2P110075014W3N1P27503030W4N3P31001506015W3N3P175150031W4N1P410009016W3N2P375756032W4N4P210022530181．32009420cm30kg/hm2。。715cm30.5m21.5m2。2。26-C。1．4Box-Behnken34-2-112。22．11。50%。25%、75%、100%50%82.6%、88.1%、63.2%。50%。。N2、N3N110．2%、30．6%。N4N384.4%。。P2、P3P112.5%、25.9%。P4P384.8%。。2．2、2W2N3、W2P2。、、32。W2N3P250%、150kg/hm2、60kg/hm2。1、2、3、4325%、50%、75%100%N0kg/hm2、75kg/hm2、150kg/hm2、225kg/hm2P2O50kg/hm2、30kg/hm2、60kg/hm2、90kg/hm2。1Fig．1EffectsofdifferentfactorsontotalweightoffreshediblestemofSalicorniabigeloviiTorr．Y=－3810．6613+47018．5135x1+43．2776x2+20．9643x3－39179.3500x12－0.1427400x22－0．1520x32－5．70730x1x2+7．86710x1x3－0.01416x2x3Ykg/hm2x1%x2kg/hm2x3kg/hm2。R2=0.9546。14004.4kg/hm260%135.77kg/hm278.11kg/hm2。2．3C10C。CW2N3。150kg/hm2C11。C。C、Y=54．9848+66．7851x1－0．0443x2－0．0757x3－71．6000x12+0．0001x22+0.0003x32－0．0106x1x2+0．0102x1x3+0．0004x2x3R2=0.9971YCmg/gx1%x2kg/hm2x3kg/hm2。282011271C0.763mg/g55%174.19kg/hm269.25kg/hm2。2Table2EffectsofdifferentcombinationsofseawaternitrogenfertilizerandphosphorusfertilizeronweightoffreshediblestemofSalicorniabigeloviiTorr．kg/hm2kg/hm2kg/hm2kg/hm2W1N16371W2N110146W3N110083W4N16996W1N27824W2N211152W3N210105W4N27095W1N38998W2N312953W3N311603W4N37261W1N47682W2N410377W3N49674W4N46420W1P18085W2P110858W3P110908W4P15909W1P28529W2P211265W3P210816W4P27763W1P38057W2P310202W3P39189W4P35564W1P47977W2P410056W3P49033W4P463011。2Fig．2EffectsofdifferentcombinationsontotalweightoffreshediblestemofSalicorniabigeloviiTorr．312。、、、13。5%NaCl12。50%。3、CTable3EffectsofdifferentcombinationsofseawaternitrogenandphosphorusonvitaminCcontentsinfreshediblestemsofSalicorniabig-eloviiTorr．Cmg/gCmg/gCmg/gCmg/gW1N10．605W2N10．652W3N10．632W4N10．469W1N20．659W2N20．702W3N20．669W4N20．498W1N30．706W2N30．753W3N30．742W4N30．563W1N40．682W2N40．736W3N40．701W4N40．559W1P10．559W2P10．642W3P10．556W4P10．422W1P20．596W2P20．659W3P20．596W4P20．456W1P30．652W2P30．722W3P30．494W4P30．409W1P40．649W2P40．663W3P40．409W4P40．412、143811。N、P15。、150kg/hm2、30kg/hm2。10。、、1550%、150kg/hm2、60kg/hm2。、、、16、17。C。。、、60%、135.77kg/hm2、78.11kg/hm214004.4kg/hm255%、174.19kg/hm2、69.25kg/hm2C0.763mg/g。1．J．2003184423-429．2．J．2003185589-594．3．NaClJ．201022372-74．4．J．20101318-321．5．J．20103218-220．6．SRAPJ．20092561252-1256．7．J．20103252-254．8．J．20103218-220．9．J．200735247459-7460．10．J．200629459-63．11．J．200727122540-2544．12．M．199529-30．13．J．20062366-14．14．J．2001628-29．15．J．2005