无公害蔬菜栽培技术无公害蔬菜是严格按照无公害蔬菜生产安全标准和栽培技术生产的无污染、安全、优质、营养型蔬菜,并且,蔬菜中农药残留、重金属、硝酸盐、亚硝酸盐及其它对人体有毒、有害物质的含量控制在法定允许限量之内,要符合有关标准规定。Pollution-freevegetablesareinstrictaccordancewiththepollution-freevegetableproductionsafetystandardsandtheproductionofpollution-freecultivationtechniques,safety,highquality,nutritionalvegetable,andvegetablepesticideresidues,heavymetals,nitrate,nitriteandotherpoisonousandharmfulsubstancestothehumanbodyarecontrolledwithinlegalallowedlimitsofcontent,tocomplywithrelevantstandards.一、无公害蔬菜栽培技术A,pollution-freevegetablescultivationtechniques发展无公害蔬菜,重点是把好生产基地选择与改善、种植过程无害化、蔬菜残留毒物检测“三关”,抓好产地环境、品种选用、培育壮苗、健身栽培、病虫防治、质量检测“六大环节”。总的来说就是采取无公害蔬菜生产技术措施,使基地环境、生产过程和产品质量达到无公害标准要求。Developmentofpollution-freevegetables,thekeyistoputthegoodselectionandimproveproductionbase,plantingprocessinnocuity,vegetableresiduetoxicologytesting"threeclose",paysspecialattentiontotheenvironmental,varietyselection,cultivationofseedlingcultivation,fitness,diseasesandpestscontrol,qualityinspection"sixbiglink".Ingeneralispollution-freevegetableproductiontechnologymeasures,thebaseenvironment,productionprocessandproductqualityreachedthestandardrequirements.二、大田种植与管理Second,plantingandmanagementfield1、根据土壤类型不同,种植不同种类的蔬菜。2、精细整地。3、定植。根据不同品种要求,合理密植。4、中耕、除草、培土。5、搭架、整枝、疏果。6、小拱棚、大棚温湿度管理。1,accordingtodifferentsoiltype,plantdifferentkindsofvegetables.2,finesoilpreparation.3,engraftment.Inaccordancewiththerequirementsofdifferentvarieties,reasonabledensity.4,cultivating,weeding,soil.5,abig,pruning,fruitthinning.6,smallGongPeng,greenhousetemperatureandhumiditymanagement.三、灌溉基本原则与方法Three,thebasicprincipleandmethodofirrigation1、基本原则1,thebasicprinciples(1)沙土壤经常灌,粘壤土要深沟排水。低洼地“小水勤浇”,“排水防涝”。(2)看天看苗灌溉。晴天、热天多灌,阴天、冷天少灌或不灌,叶片中午不萎蔫的不灌,轻度萎蔫的少灌,反之要多灌。暑夏浇水必须在早晨九点前或傍晚五点之后进行,避免中午浇水。若暑夏中午下小雷阵雨,要立即进行灌水。(3)根据不同蔬菜及生长期需水量不同进行灌溉。(1)oftenfillsandsoil,clayloamtoditchdrainage.Low-lyingland"numfrequentlywatered","drains".(2)dayslookatseedlingirrigation.Sunnydayandhotfilling,cloudy,coldlittleornoirrigation,bladewiltingirrigation,noonmildwiltinglessirrigation,insteadmoretofill.Heatinthesummerofwatermustbeconductedbeforeorafterfiveo'clockintheeveningat9o'clockinthemorning,atnoontoavoidwatering.Ifsummerheatsmallthundershoweratnoon,toinfusewaterimmediately.(3)accordingtothedifferentvegetablesandgrowingwaterdemandforirrigation.2、灌溉方法2,theirrigationmethod(1)沟灌:沟灌水在土壤吸水至畦高1/2-2/3后,立即排干。夏天宜傍晚后进行。(2)浇灌:每次要浇足,短期绿叶菜类不必天天浇灌。(1)thefurrowirrigation,furrowirrigationwaterinthesoilafterabsorbingwatertostriphigh1/2-two-thirds,drainedimmediately.Summershouldbeperformedaftertheearlyevening.(2)water:everytimetowaterthefoot,short-termgreenleafyvegetablesdon'thavetobewateredeveryday.四、施肥基本原则与方法Four,thebasicprincipleandmethodoffertilizing1、施肥原则1,theprincipleoffertilization(1)选用腐熟的厩肥、堆肥等有机肥为主,辅以矿质化...