欢迎来到天天文库
浏览记录
ID:53726087
大小:340.60 KB
页数:5页
时间:2020-04-20
《两个油菜新品种不同耕作方式与种植密度的产量表现.pdf》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、贵州农业科学2014,42(5):78~81GuizhouAgriculturalSciences[文章编号]1001—3601(2014)05—0264—0078—04两个油菜新品种不同耕作方式与种植密度的产量表现李明举,陈德珍,冯泽蔚,冯文豪。,饶勇。(1.贵州省遵义县农牧局,贵州遵义563100;2.贵州省农作物技术推广总站,贵州贵阳550001;3.贵州省油料研究所国家油菜产业技术体系贵阳综合试验站,贵州贵阳550006)[摘要]为给黔油22号和黔油28号的大面积推广提供技术参考,采用裂区试验设计,比较了翻耕移栽和免耕移栽及4种种植密度(2500株/66
2、7m、4000株/667m、5500株/667m和7000株/667m)下两品种的产量表现。结果表明:1)黔油22号在翻耕移栽和免耕移栽条件下,种植密度为5500株/667m。时的产量最高,分别为185.37kg/667m。和176.04kg/667m,与其他密度处理间差异极显著。2)黔油28号在翻耕移栽条件下,种植密度为4000株/667m。时的产量最高,达177.36kg/667m;在免耕移栽条件下,种植密度为7000株/667m时的产量最高,达170.36kg/667m。,且两种耕作方式下的产量差异迭极显著。结论:在遵义及相似生态区,黔油22号进行翻耕移栽
3、和免耕移栽的最佳密度为5500株/667m。;黔油28号翻耕移栽的密度为4000株/667m,免耕移栽的密度为7000株/667m。[关键词]免耕移栽;翻耕移栽;种植密度;黔油28号;黔油22号;产量[中图分类号]$565.4[文献标识码]AYieldPerformanceofTwoNewRapeVarietieswithDifferentTillageMethodandPlantingDensityLIMingju,CHENDezhen,FENGZewei,FENGWenhao,RAOYong。(1.ZunyiBureauofAgricultureandAni
4、malHusbandry,Zunyi,Guizhou563100;2.GuizhouGeneralStationofAgriculturalTechnologyPopularization,Guiyang,Guizhou550001;3.GuiyangComprehensiveTestStationofNationalTechnicalSystemofRapeseedIndustry,GuizhouInstituteofOilCrops,Guiyang,Guizhou550006,China)Abstract:Thesplit—unitdesignwasempl
5、oyedtostudytoeffectsofdifferenttillagemethodandplantingdensityontheyieldofQianyou22andQianyou28,SOastoprovideateehnicalreferencefortheirlarge-scalepopularizationandapplication.Results:1)ThehighestyieldofQianyou22(plantingdensity5500plants/667m)undertillagetransplantingandno—tillagetr
6、ansplantingwererespectively185.37kg/667m2and176.04kg/667m,verysignificantlydifferentwithotherdensitytreatments.2)ThehighestyieldofQianyou28reached177.36kg/667munderconditionsofplantingdensity4000plants/667mandtillagetransplanting,and170.36kg/667munderconditionsofplantingdensity7000pl
7、ants/667mandno—tillagetransplanting.Theyielddifferencewasverysignificantbetweenthetwocultivationways.Theoptimumdensity5500plants/667m0wassuggestedtogeneralizeQianyou22inZunyiandsimilarecologicalregionsundertillageandno—tillagetransplantation;TheoptimumdensityofQianyou28was4000plants/
8、667mundertil
此文档下载收益归作者所有