河北坝上夏秋蔬菜优质高效生产关键技术集成与应用

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1、万方数据KeytechnologyintegrationandapplyofhighqualityandefficientvegetablesproductioninsummerandautumnofHebeiBashangareainHebeiprovinceISlocatedattheborderoflnnerMongoliaplateauandnorthChinaplain，includingsixcounties(Zhangbei，Guyuan，ShangYi，Kangbao，Fengni

2、ngandWeichang)．ItbelongstotheAlpinesemi-aridregion，withthelatitudearound41。andaverageattitudeof1300—1500m．WiththeaveragetemperatureinJulyandAugustlowerthan24"C，ithasacooldimateandalargetemperaturevariancebetweendayandnighttime，whichisverysuitabletohar

3、vestrootleafyvegetablessuchaSopenfieldcabbage，kaleandceleryduringsummerandfall．ThisCalleffectivelymakeupforthesummer-off-seasonvegetablesinSouthofHcbci，Beijing,TianjinandSouthofChina．Butrecentlyitsdevelopmentisgreatlyhinderedbythemoreandmoreseriouspro

4、blemssuchaStheshortageofirrigationwater,slowupdateofspecies，increasingusageofpesticide，outdatedtechnologyandlowefficiency．Inthisstudy,wefocusontheproblemsofopenfieldsummer／autumnvegetables．Carryingouttheinvestigation，checkingthedata，Accordingtothechar

5、acteristicsofBashangvegetablesownproductioninOBI"province，targetingtoincreasethequalityandefficiencyofvegetablesinBaShangarea，theproductiontechnologyiscarefullyexaminedandimproved．Thekeyimprovementmethodsareproposedtobuildavegetableproductionsystemwit

6、hhighqualityandhi曲efficiency,includingscreeningnewspeciesthroughmarkettest，centralizedplugseedlingandnursery,water-savingirrigation，mechanizedproductionandecologicallysystematicpestpreventionandpostharvestcommercialization．Besides，ascientificandeffici

7、entintegrationmethodisproposedtotakefulladvantageoftechnologyintegration．ThisintegrationCaneffectivelysolvethemajorproblemsincurrentproduction，andprovideastrongtechnicalsupportforthesustainabledevelopmentofvegetableindustryinBashangareaofHcbciProvince

8、．Themainresultsarelistedasfollowing：anintegratedtechnicalproductionsystemisbuilt，whichtakesthevarietiesupdateandcentralizedplugnurseryasbasis，takesthewater-savingirrigationandecologicalpeptidepreventiontechnologyasthecore，withtheaidofmeasureds