%0 Journal Article
%T Applicationoftheculturaltechniquesofcottonleaf-ageadjusting-controllingforpromotngearlymaturity
%A 范志杰
%A 郭宽哲
%A 马良吉
%J 华北农学报
%P 123-129
%D 1993
%R 10.7668/hbnxb.1993.S2.022
%X Accordingtotheproductionindexoflintcottonyieldover100kgpermu(1/15ha)andtherelationshipbetweentheclimatefactorsandthedistributionoftimeandspaceforcottonbollsettingin1985—1990,weestablishedamodelofculturaltechniquesofcottonleaf-age-ad-justing-controllingforenhancingearlymaturity.Byutilizingtheprincipleofleaf-agemodelandtheprincipleofregulatingnutrientdistributionwithDPC(Mepiquatechloride),theplantsweretreatedwithDPCinpropertime.Anewtypeofpopulationplantpatternswassetup.Itcharacter-izedbyhighpopulationdensity,dwarf,highbollweight,bollsnearnodes,highenergyandlowconsumption,shortdistancetransportofnutrients,highyieldandgoodquality.Weputforwardasetofmanagementmeasures,i.e.adjustingbollsettingstage,adjustingandcontrollingbollset-tingstructure,stablyapplyingN,increasingP,supplementingplantswithK,increasingirrigationefficiency,techniqueswereappliedanddemonstratedinlargeareasinhighyield.
%K cotton
%K leaf-age
%K adjusting-controllingtechniques
%K earlymaturity
%U http://www.hbnxb.net/CN/abstract/abstract6474.shtml