学科分类
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5 个结果
  • 简介:107杨生长快、抗旱抗寒抗瘠薄抗病虫能力强、适应性广,是我国最重要的工业原料林和商品用材林树种。采用扦插育苗,成苗快、性状稳定、成本低、效益高。通过设计生根剂、生根剂浸泡时间、扦插时间和枝条类型四因素,每因素四水平的正交试验,对107杨的扦插育苗得出结论:生根剂处理是影响苗木成活率的主要因子;扦插时间是影响苗木成活率的重要因素;在春季剪取枝条GGR6号100mg/kg浸泡1h后进行扦插效果最好。

  • 标签: 1 07杨 扦插 育苗 正交试验
  • 简介:中椒107号,早熟、定植后30d左右开始采收。果实灯笼形,3~4个心室,平均单果重150~200克。果色绿,果实品质优良,果肉脆甜,果肉厚0.5cm左右。抗烟草花叶病毒,中抗黄瓜花叶病毒。亩产可达4000~5000kg。新一代品种在产量、抗病性、果实商品性方面有较大程度的提高。

  • 标签: 新品种 早熟 果实商品性 抗烟草花叶病毒 甜椒 黄瓜花叶病毒
  • 简介:近日,河南省畜牧产业化集群建设工作座谈会在许昌市召开。笔者获悉,截至目前,河南36个畜牧产业化集群试点在建重点项目121个,累计完成投资107亿元,已完成项目设计总投资的43.7%。河南省副省长王铁指出,今后要充分扩展优势,不断扩大规模,加快调整畜牧业结构,加大对外开放力度,培育壮大龙头企业,强化科技研发水平,全力抓好质量安全,锐意改革创新,持续提升区域竞争力,努力把河南建成全国畜产品交易主战场、价格风向标、流通大市场、信息大舞台。

  • 标签: 畜牧产业化 河南省 总投资 集群 畜牧业结构 区域竞争力
  • 简介:Bothofstraightandincliningpoplarclone107treewereselectedforstudyingmaterialsinthispaper.Theoptimalpulpingconditionswasestablishedbyorthogonalexperimentaldesignbothfornormalwoodandtensionwood,andthequalityofpulpingandpaper-makingbetweennormalwoodandtensionwoodwascomparedwitheachother.Finally,potentialapplicationforimprovingpaperqualityoftensionwoodthroughincreasingbeatingrevolutionswasdiscussed.Theresultshowedthattheoptimalcookingconditionfornormalwoodwasalkaliconcentration15%,thehighesttemperature164℃,timeathighesttemperature75min,andfortensionwooditwasalkaliconcentration13%,thehighesttemperature160℃,timeathighesttemperature40min.Pathcoefficientofeffectofalkaliconcentrationbothonpulpyieldandkappavaluewassignificantatdifferentlevels.Bycomparisonbetweenaverageresultofnormalwoodandtensionwoodinqualityofpulpingandpaper-making,itwasfoundthattensionwoodhadhigherpulpingyieldandlowerkappavaluethannormalwood.Furthermore,forallmechanicalpropertiesofpaper,normalwoodholdhighervaluethantensionwood,andevenneartwotimesthantensionwood,suchasburstindexandtensileindex.However,differenceoftearindexwasquitenarrow.ResultofonewayANOVAshowedthatdifferenceofburstindexandtearindexbetweennormalwoodandtensionwoodwassignificantatthe0.001level,oftearindexwassignificantatthe0.05level.Basedonobservationofcrosssurfaceofpaper,itwasassumedthatcontributionofgelatinouslayertorigidityofsinglefiberhadhamperedcollapseandcompressionoffiberduringpaperformation,whichisessentialforexertingcombinationbetweenfibersinpaper.So,mechanicalpropertiesoftensionwoodpaperweredecreasedaccordingly.However,owingtohighcellulosecontentofgelatinouslayer,tensionwoodwaseasiertopulpingthannormalwood.Mechanicalpropertiesoftensionwoodpapercouldbeimprovedbyincreasingbeatingrevolutions,

  • 标签: POPLAR clone 107 tension WOOD NORMAL