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ID:32063148
大小:1.06 MB
页数:33页
时间:2019-01-31
《荆门市双低油菜标准化生产技术试验与推广》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、华中农业夭学‘硕士学位论文。Usingthreefactorsandtwolevelsorthogonaldesign,threefactors,transplantdansny(xI),supplementnitrogenlevel(x2)andbasecompoundfertilizerlevel(x3)w啊einvestigatedfortheircorrelationwithyieldofHuayouzaNo.10.Theresultsshowedthatincreaseofbasecompoundfertilizerandsupplementofnit
2、rogenarekeyfactorsforyieldincrease.Basedontheregressionmathematicmodelsettingupwiththeseresults,weproposedthatoptimizationcultureschemeoftheoutputofabove2921.5ks/hm2forHuayouzaNo.10is:basecompoundfertilizer917kg/hmz.supplementnitrogenlevel143kg/hiⅡ2,transplantdensity73616plant/hm2.De
3、monstrationonmechanizedditchandploughexemptionfortransplantrapeseedwascarriedouton6.7hectare.Theresultindicatedthatcansaveploughfeeof30RMBYuan/667mz,.Thetransplantedseedlingsrevived5daysearlierthanthecontrol;plantspossessedO.8moreleaves/plantatWinterSolstico,2.2morebranches,23.3mores
4、fliquesand0.3moreseed/siliquethanthecontr01.AndtheyieldincreaseWaslO.7kg/667一,IeⅫ:lingallincreasedincomeof26.85RMBYuanf667廿。Combinedwiththesavingsofploughfee。atotalincreasedincomeof66.75Yuan/667m2.Thepopularizationofthestandardproductiontechnologyofthedouble-lowrapeseeddependsontheco
5、operationofagriculturaltechnologypopularizationauthorityandoilprocessingenterprises.ThroughestablishmentofthestandardizedproductionbaseofCanola,supplementofhigh-qualityCanola,tOfarmer5,offeringofstandardizedtechnologicalguidance,andpurchaseoftheproducedrapeseed,leadingenterprisescano
6、btainhi【ghq11alityCanola,thusestablishafoundationfora屺celeratingtheindustrializationprocessofCanol&Keyword:Canola,Technologicalstandardization,Popularization6华中农业大学硕士学位论文荆门市双低油莱标准化生产技术试验与推广1.前言1.1我国油菜生产及需求概况油菜是我国重要的油料作物,年均种植面积7300—8000千公顷(khm2),总产1050万吨左右。我国油菜籽的单位面积产量接近世界平均水平100kg/66
7、7m2左右,但是比德国和法国的200kg/667m'以上的产量要低一半多。长江流域各油菜产区是我国最集中的油菜产区,也是世界最大的油菜集中产区;2001年油菜面积6159千公顷,产量1018万吨,占全国的87%和89%,占世界的四分之一以上(封槐松,2003)。油菜是我国食用植物油的最主要来源,也是潜在的仅次于豆粕的大宗饲用蛋白质。菜籽油约占我国食用植物油消费量的35%,菜籽饼粕约占我国植物饼粕消费量的25%.近年来,虽然我国油菜籽生产量增长较快,但菜籽油的消费增长更快。1995年以前,我国一直出口油菜籽,但从1996年开始转变为净进口,2000年的进口量达到最
8、高点,为297万吨,是我
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