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1、測土配方施肥對北方寒區(qū)馬鈴薯產(chǎn)量的影響——劉文志,于文清,胡廣民,等·353·中圖分類號:$532文獻(xiàn)標(biāo)識碼:B文章編號:1672—3635{2013)06—0353—05測土配方施肥對北方寒區(qū)馬鈴薯產(chǎn)量的影響劉文志,于文清,胡廣民,趙曉鋒,李鵬,懷寶冬,田艷洪,隋文志(黑龍江省農(nóng)墾科學(xué)院農(nóng)畜產(chǎn)品綜合利用研究所,黑龍江佳木斯154007)摘要:為了探索適合北方寒區(qū)馬鈴薯(SolanumtuberosumL.)種植的測土配方施肥技術(shù),對比了依據(jù)不同參數(shù)建立的施肥模式對馬鈴薯產(chǎn)量及經(jīng)濟(jì)效益的影響。依據(jù)“3414”試驗(yàn)獲得的數(shù)據(jù),采用土壤有效養(yǎng)分
2、校正系數(shù)法、地力差減法及回歸方程擬合求得的一元二次方程建立了3種施肥模式,對比試驗(yàn)表明。通過回歸方程即氮(N):Y=25400.7"1-166.5N一0.35N。(R=0.958),磷(P):Y=35669.7+181.7P一2.2P(R=0.948).鉀(K):Y=32714.54-107.2K一0.4K(R0.997),建立的最施肥模式獲得的產(chǎn)量及經(jīng)濟(jì)效益分別較當(dāng)?shù)爻R?guī)施肥處理高7.8%和2138元/hm,適合北方寒區(qū)馬鈴薯栽培。關(guān)鍵詞:測土配方;“3414”試驗(yàn);馬鈴薯;北方寒區(qū)EffectofFormulaFertilization
3、bySoilTestingonYieldofPotato(SolanumtuberosumL。)inNorthColdRegionLIUWenzhi,YUWenqing,HUGuangmin,ZhaoXiaofeng,LIPeng,HUAIBaodong,TIANYanhong。SUIWenzhi(InstituteofAgriculturalandPoultryProductsComprehensiveUtilization,HeilongjiangAcademyofLandReclamationSciences,Jiamusi,Heil
4、ongjiang154007,China)Abstract:Inordertoexploretheformulafertilizationbysoiltestingtechniqueadaptabletothecultivationconditionsinnorthcoldregion,theefectoffertilizationpa~ernconstitutedaccordingtodiferentparametersontheyieldandeconomicalbenefitwerecompared.Accordingtothedat
5、aobtainedfr0m“3414”test.thefertilizationpa~ernswereachievedbysoilavailablenutrientcorrelationcoeficient,landfertilitysubtractionmethodandunaryquadraticequationwithoneunknownnumberfittingbyregressionequation.respectively.Thecomparingexperimentshowedthatbythebestfertilizatio
6、npa~ernconstitutedbyregressionequation,viatheequations(N):Y=25400.7+166.5N-0.35N0.958),(P):Y=35669.7+181.7P一2.2P。(=O.948),and(K):Y=32714.5+107.2K-0.4K2=0.997),theyieldandeconomicalbenefitwere,respectively,7.8%and2138CNY/hmhigherthanthelocalgeneralfertilizationpa~ern.Sounar
7、yquadraticequationwithoneunknownnumberwasmuchmoresuitableforpotatoproductioninnorthcoldregion..KeyWords:formulafertilizationbysoiltesting;“3414”experiment;potato(SolanumtuberosumL.);northcoldregion測土配方施肥技術(shù)是提高作物產(chǎn)量的重要途徑當(dāng)帶來的危害。為了比較測土配方施肥技術(shù)不同參之一”,主要是通過田間試驗(yàn)計(jì)算出相關(guān)參數(shù)或建數(shù)計(jì)算方法建立的施肥模式
8、對我國北方寒區(qū)馬鈴薯立函數(shù)進(jìn)而求得最佳施肥量H。。這項(xiàng)技術(shù)應(yīng)用于馬種植的適用性,探索適合該地區(qū)馬鈴薯栽培的最佳鈴薯(SolanumtuberosumL.)種植,不但可以提高產(chǎn)測土