Asaleekgrower,howtoplantleekswellandhowtomanagethesowing,seedlingraising,transplantingandplantingofleekshavebecomeaproblemthatthemajorityofgrowersneedtothinkabout.
1、Leekseedingandseedlingraising
1.Seedlinglandpreparation,fertilizationandbordercultivation
Beforesowingleek,itisessentialtoapplysufficientbasefertilizer,whichismainlyrottenmanure,combinedwithanappropriateamountofpotassiumsulfate,calciumsuperphosphate,etc.
First,afterthesoilisploughedandleveled,thefertilizershallbeevenlyandevenlyspreadonthesoil.Aftertheleekseedsemerge,theartificialfertilizercanbeaddedtwotothreetimes.Intheselectionofseedlingsoil,thelandconducivetodrainageandirrigationshouldbeselected.
Itisbettertousesandysoilorclaysoilthathasnotplantedrelevantvegetablesinrecentyears.Beforewinter,thelandshallbedeeplycultivatedandwateredwithsufficientwater.Inthesecondyear,4-5cubicmetersofcookedfarmmanureshallbeapplied.
Inordertopreventleekmaggots,5%phoximgranulescanbeused,2kgpermu,andthenthefinesoilisevenlyspreadonthelandformanagement.
2.Sowingtimeandmethod
ThesowingtimeofleekisgenerallybetweenMarchandmay,whichcanbeselectedaccordingtolocalconditionsaccordingtotheactuallocalclimate.Inordertoincreasethegerminationrateandspeedofleekseeds,aseriesofcultivationshouldbecarriedoutbeforesowing.
Soaktheseedsinwarmwateratabout50°C,keepstirring,thentakeouttheseeds,drainthewater,andputthematroomtemperatureforgermination.
Afterthat,youcanwashitwithwarmwateronceadayandobserveitintime.Aftermostseedsturnwhite,youcanchoosetosowatanoptionaltime.
Whensowing,letthesoildrinkenoughwatertokeepthesoilmoist.Atthesametime,theseedsshallbeevenlysownontheseedbed,theproportionisabout3gramsofseedspersquaremeter,andabout0.8cmoffinesoilshallbecovered.Thetemperaturecontrolisalsoveryimportant.
Thetemperatureduringthedayisabout23°C,andthelowesttemperatureatnightshouldbeabout10°C.atthesametime,itshouldbeobservedintime.Thewaterismoderateandshouldnotbetoolargetoavoidtherebirthofweedsandoccupythenutrientsandwaterofseedlings.Weedsshouldberemovedintime.
3.Transplantingandcolonizationofleekseedlings
Fertilizationisdividedintotwotimesbeforeandaftertransplanting.Beforetransplanting,sufficientbasefertilizershouldbeapplied.Therawmaterialsaresimilartothoseintheseedlingraisingperiod,mainlyrottenmanure.
Withpotassiumsulfate,aftertransplanting,itisfirstnecessarytosupplementalargeamountofwaterfortheplanttoavoidexcessiveheatgeneratedbylocalfertilizerandsomeadversereactionssuchasfertilizerdamageandrootburning.
Leekhashighrequirementsfornitrogenandphosphorusfertilizer.Becauseonlybyensuringsufficientnitrogenfertilizercanwecontinuouslyimproveleekyield,reduceleaffibercontentandimprovequality.
Theroleofphosphorusfertilizerismainlytopromoterootdevelopment.Whenthecolorofleekleavesisdeepened,itplaysapowerfulroleinpromotingphotosynthesis.Organicfertilizerhaslongfertilizereffect,containsyoungandhighorganicmatter,andcanplayagoodroleinimprovingsoilstructure.
Itprovidesfavorableconditionsforthedevelopmentofleekroots.Theamountoforganicfertilizerisabout10000kgper667m2.Aftertheapplicationoforganicfertilizer,thesoilshallbefullyturnedovertocompletelymixthesoilandfeces.Ifitisstrawcomposting,itisbesttosupplementasmallamountofdiammoniumphosphate.
Duetothedifferencesoflocalclimateandsoilquality,theplantingperiodshouldalsobedeterminedaccordingtotheactualsituation.Accordingtothegrowthofplantsandseedlings,thefollowingstandardscanbereferredto.
Whentheplantheightisabout8cmandthesoiltemperatureisabout20℃,itcanbecolonized.Beforeplanting,pourenoughwaterontheseedbedanddiguptheseedlingsfromtheroot.
Removethesoilandremovesomesickandweakseedlingsintime.Accordingtothesizeandlengthofplantsandseedlings,trytoplantplantsandseedlingsofthesamelengthtogether.Aftercuttingtheseedlings,replenishwaterimmediatelyandpourenoughwater.
3、Fieldmanagementmeasuresofleekafterplanting
Atthistime,iftheplantwantstogrow,itneedsalotofnutrition,waterandfertilizertolaythefoundation.
Timelytopdressing:topdressingshouldbecarriedoutevery5daysorso,andharvestingcanbestartedafteraperiodoftimeafteradditionalfertilization.Fertilizetheleekafterfloweringtopromotetillering.
Fertilizingtimeshouldalsobecontrolled.Fertilizingcanbedoneoncewhentheharvestofleeksisstoppedeveryyear,andorganicfertilizercanbeappliedoncewhentheleeksgrowtoabout4cm.
Atthesametime,itshouldbenotedthattheuseoffertilizershouldbediversified,andnitrogenfertilizercannotbeappliedalone.Thetimeofapplyingnitrogenfertilizerisgenerallywithinthreedaysafterharvestingleeks.Applythemixedphosphorusandnitrogenfertilizeraccordingtotheridgeandfurrow.Inordertoensurethevigorousgrowthofleeks,
Appropriatefertilizercangettwicetheresultwithhalftheeffort.Theroleoffertilizercannotbeunderestimated.Nitrogenfertilizeristhemostindispensableduringthewholegrowthperiodofleek.Sufficientandappropriatenitrogenfertilizercannotonlypromotethevigorousgrowthofleekandensureitsquality.
Moreover,itcanavoidvariousdiseasesandinsectpestsofleekandimprovethediseaseresistanceofleek.However,nitrogenfertilizershouldnotbetoomuch,andthedosageshouldbecontrolledatabout200mg/kg.Inaddition,fertilizerssuchasphosphatefertilizerandpotassiumfertilizerarealsoindispensable.
Masteringscientificandeffectivemanagementmethodsplaysanimportantroleinthegrowthofleeks.Forthemajorityoffarmers,theyalsoneedtoplantbetter,morefragrantandmorenutritiousleeksaccordingtolocalconditionsintheirdailyworkaccordingtothegrowthlaw,growthcycleandsoilqualityofleeks.