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1、Cottonplantingtechnology（棉花种植技术）I.selectionoffinevarieties1,strongresistance.ThemainresistanceofHelicoverpaarmigera,Spodopteralitura,pinkbollworm,FusariumandVerticilliumwiltresistance.2,highquality.Goodcheckbook,bollshellflower,waddingChang,plantheight(130~150cm),the
2、belltowertype,oval,bollweightdifferenceissmall,anaverageof6.5gramsperboll,lintpercentage(45%),thebladeofmediumsize,everysinglebell4~5oneachresolutionmorethan3grainsofcottonseed.3,thegrowthperiodisappropriate.Usuallyabout125~135days.4、highyieldandfertilizerresistance.
3、Generallyevery667squaremetersmorethan400kilogramsofcottonproduction.5,bythenationaltrialandprovincialapprovalofthepromotionofvarieties,andsuitableforplantinginthisarea.Generallyspeaking,highresistance,resistanceandqualityinfertilizertolerance,highyieldinonespecies.Tw
4、o.Preparebeforesowing1,toliftthefield(mainlyditchingopenditch,namelythree,waistditch,ditch).Agoodthreeisthebasicworkofcottoncultivationtechnology,oneofthemainmeasurestoensurethevitalityofrootwithcotton.Waiditchdeep0.5to0.6cmwide,0.4to0.5cm;waistditchdeep0.6to0.7cmwid
5、e,0.5to0.6cm;furrowditch0.3cmdeep,0.4cmwide.Donotrushtherainfield,therainisnotwater,notwaterlogging.2,theimplementationof"changethebelt"expansion,theimplementationoflargewidewindowplantingmode,theimplementationofstandardizedcultivation.Intheyearsbeforethewinterfallow
6、periodto2.4meterswidestrippackageditch,doublerowplantingspecifications.3,seedbedselection.Theplotswithfertilesoil,gooddrainageconditions,leeward,sunny,dryandVerticilliumwiltwereselectedasseedbed.4.Preparenutritioussoil.Yearsagowillberequiredforthenutrientavailability
7、.Inthenurseryplaceswillbedugsoil,frozensoilwassunningtheupturnedsoil.Cultivatenutrientsoil30~40daysbeforesowing.Cottonseedlingadvocatehighphosphorusandhighpotassiumandlownitrogen,nitrogen,phosphorus,potassium,boron,zincandmagnesiumratioshouldbereasonable,toaseedlingn
8、ursery.Everyfieldtoadd45%acresofnutrientcompoundfertilizer3~5kg,andeach0.5kilogramsofpotashfertilizer,coupledwiththematurityoftheca
