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35选7开奖结果新疆|冬季大棚蔬菜如何浇水?

放大字体  缩小字体 发布日期:2017-03-28  来源:安 徽 农 网  浏览次数:827
核心提示:有网友咨询:目前大棚蔬菜如何浇水?下面详细给大家介绍一下:冬季大棚蔬菜的浇水原则: 浇晴不浇阴 要根据不同的天气情况来选择
本文来源:http://www.yopf.com.cn/a/www.hailankangfu.com/

25选7第45期 www.yopf.com.cn,  “料理研究家”在日本的发展史,也折射出近一个世纪日本社会的变迁史。(Tianshannet)Updated:2016-October-1513:33:58ChinesePresidentXiJinping(L)holdstalkswithBangladeshiPrimeMinisterSheikhHasinainDhaka,Bangladesh,Oct.14,2016.(Xinhua/XieHuanchi)DHAKA,Oct.15(Xinhua)--VisitingChinesePresidentXiJinpingheldtalkswithBangladeshiPrimeMinisterSheikhHasinaonFriday.Thetwoleadersagreedtoupgradebilateraltiestoastrategicpartnershipofcooperation.Duringthemeeting,Xisaidthecloserpartnershipthetwosidesforgedin2010hasyieldedfruitfulresults,withbilateralcooperationseeingsteadyprogressinpolitical,economic,culturalandsecurityareasandoninternationalandregionalaffairs.ChinahighlyvaluesitsfriendlycooperativetieswithBangladeshandwillcontinuetooffersupportwithinitscapacityfortheeconomicandsocialdevelopmentoftheSouthAsiancountry,Xisaid.NotingthatChinaisstrivingforits"twocentenarygoals"whileBangladeshispursuingits"SonarBangla"dreamofnationalstrengthandprosperity,XiaddedthattheChina-proposedBeltandRoadInitiativecandovetailwithBangladesh'scooperationstrategieswiththeoutsideworld.The"twocentenarygoals"refertoChina'saspirationtofinishbuildingamoderatelyprosperoussocietyinallrespectsbythetimetheCommunistPartyofChinacelebratesitscentenaryin2021andturnthePeople'sRepublicofChinaintoamodernsocialistcountrythatisprosperous,strong,democratic,culturallyadvanced,andharmoniousbythetimeitcelebratesitscentenaryin2049.Sinceestablishingdiplomaticties41yearsago,ChinaandBangladeshhaveadheredto"thefiveprinciplesofpeacefulco-existence"andhaverespectedandsupportedeachotherinchoosingthedevelopmentpathanddomesticandforeignpoliciesinaccordancewithitsnationalconditions,saidXi.Nowintheirpursuitofdevelopment,thetwocountriesshouldbefriendsandpartnersthattrustandsupporteachotherandadvancepracticalcooperationtoreapevenricherfruits,soastoinjectmoreimpetusintobilateralties,saidtheChinesepresident.Hasina,forherpart,saidthetraditionalfriendshipbetweenBangladeshandChina,forgedbythetwocountries'leadersoftheoldergeneration,enjoysdeeplyrootedpublicsupportinBangladesh.BangladeshadmiresChina'seconomicachievement,andisreadytostrengthencooperationwithChinawhilepursuingits"SonarBangla"dream,saidtheprimeminister.Bangladeshresolutelyadherestotheone-ChinapolicyandisreadytomaintainmutualunderstandingandsupportwiththeChinesesideonissuesinvolvingeachother'scoreinterestsandmajorconcerns,shesaid.Aftertheirtalks,thetwoleaderswitnessedthesigningofanumberofcooperationdocumentscoveringsuchareasasthejointbuildingoftheBeltandRoadInitiative,productioncapacitycooperation,informationandtelecommunication,energyandpower,diplomacy,maritimeaffairs,disasterpreventionandalleviation,andclimatechange.Thetwosidesalsoissuedajointstatementabouttheupgradingofbilateraltiestoastrategicpartnershipofcooperation.ThedocumentsaidthevisithasusheredthetraditionalfriendshipbetweenChinaandBangladeshintoaneweraandbearssignificanthistoricalimportancetothebilateralrelationship.Thetwosidesagreedtoenhancehigh-levelexchanges,maintainfrequentcontactsbetweenleadersofthetwocountriesonthesidelinesofmultilateralfora,strengtheningexchangesandcooperationatvariouslevelsbetweenthetwogovernments,legislativebodies,politicalparties,andpeoplestodeepenmutualtrustatalllevels.Theyagreedtoenhancethealignmentofthedevelopmentstrategiesofthetwocountries,fullytapthepotentialsofcooperationinvariousareas,workon"theBeltandRoadInitiative"soastorealizesustainabledevelopmentandcommonprosperityofthetwocountries.TheBeltandRoadInitiative,proposedbyXiin2013,comprisestheSilkRoadEconomicBeltandthe21stCenturyMaritimeSilkRoad.ItisaimedatbuildingatradeandinfrastructurenetworkconnectingAsiawithEuropeandAfricaalongtheancienttraderoutes.Bangladeshisappreciativeoftheinitiative,believingitwillbringimportantopportunitiesforBangladesh'sgoalsofbecomingamiddle-incomecountryby2021andaDevelopedCountryby2041.ChinaandBangladeshagreedtoexpandanddeepentradeandinvestmentcooperationandidentifyinfrastructure,industrialcapacitycooperation,energyandpower,transportation,informationandcommunicationtechnologyandagricultureasthekeyareasofbilateralpragmaticcooperation.TheyagreedtostartfeasibilitystudiesontheestablishmentofChina-BangladeshFreeTradeArea.ChinawillcontinuetoencourageandsupportChineseenterprisestoinvestandbuildEconomicandIndustrialZonesinBangladesh.BangladeshwillfacilitateandsupportChineseenterprisesdoingbusinessinBangladesh.ChinesesidewillprovidesupportandassistancetoBangladeshinstrengtheningdisastermanagementcapacitybuilding,seekingwastemanagementandwatertreatmentsolutionsforbothurbanandindustrialareasanddevelopingearthquakeresilientinfrastructure.ChinaandBangladeshagreedtostrengthenculturalandpeople-to-peopleexchangesandcarryforwardthetraditionalfriendshipbetweenthetwocountriesandtoannouncetheyear2017astheYearofFriendshipandExchangesbetweenChinaandBangladesh.ThedocumentspecifiedthatChinawilltrain500Chinese-languageteachersforBangladeshand100Bangladeshiculturalprofessionals,andinvite600BangladeshistudentstovisitChinaduring2016to2020.ItalsosaidthetwosidesarereadytoenhancecommunicationandcoordinationinpushingforwardtheconstructionofBangladesh-China-India-MyanmarEconomicCorridor.TheyagreedtopushforearlyconsensusontheJointStudyReportandestablishthegovernmentalcooperationframeworkbetweenthefourparties,soastolaunchearlyharvestprogramsatanearlydate.Thedocumenthighlightedbilateralcooperationinotherfieldssuchasindustrialcapacity,finance,maritimeaffairs,climatechangeandfightagainstterrorismandoninternationalaffairs.XiarrivedinDhakaearlierinthedayforastatevisit,thefirstbyaChineseheadofstatetotheSouthAsiancountryin30years.BangladeshisthesecondlegofXi'svisit,whichalreadytookhimtoCambodia.HewillalsotraveltothewesternIndianstateofGoaforasummitoftheemerging-marketblocofBRICS,whichgroupsBrazil,Russia,India,ChinaandSouthAfrica.(SOURCES:Xinhua)Editor:Chengli

有网友咨询:目前大棚蔬菜如何浇水?下面详细给大家介绍一下:

冬季大棚蔬菜的浇水原则: 浇晴不浇阴 要根据不同的天气情况来选择,严格遵守晴天浇水,阴天少浇或不浇,雨雪天切忌浇水的原则 ,尤其在寒流和阴雪天气避免浇水。

浇小不浇大 冬季温度低,蔬菜需水量也小,所以浇水次数要少、浇水量要小,不能进行大水漫灌。一般情况下,都 是隔行浇小水,浇水量最多只有夏季的一半。

浇温不浇凉 浇灌用水要先在棚内预热,待水温与地温接近时再浇,水温不低于12℃。不能直接使用河水、水库水和 池塘中的冷水灌溉,浇水完毕后,要关小甚至关闭通风口,使棚内温度达到30℃以上,并稳定持续1~3个小时。

浇暗不浇明 冬季大棚蔬菜要坚持做到到膜下暗灌,或膜下微灌,这样可以有效阻止地面水分蒸发,降低棚室内的空气 湿度,防止病害发生。使用微灌对蔬菜生长时所需水、肥、气、热的平衡与协调具有积极作用,特别是前中期使用微灌, 有利于促根控秧,控制棚内空气湿度,减轻病虫害发生。

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