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1、-AbstractAtJingtaiirrigationarea,inordertoselectoutthesuitablelyciumvarietyfor
differentsiteconditions,appropriatefertilizationratioforadultlyciumcultivation,we
studiedthephenologyandfruitqualityof10introducedlyciumvarietiesunderthe
threesites(irrigatingagricultural
2、land,irrigatingsaline-alkaliland,andrainfeddry
sandland),thegrowthandyieldperformanceofyounglyciumunderdifferentratios
ofN,P,Kfertilizers,thefertilizationeffectonadultlyciumunderdifferentsoil
formulation;whchwillprovidesomepracticalbasisfortheconstructionoflycium
ga
3、rden.Themainconclusionsareasfollows:1)Underdifferentsites,thefruitsnutritionalvalueforintroduced10lycium
varieties,Ningxialyciumnumber5wasthebest,whichcouldbepreferrentially
plantedforthearidandsemi-aridsandsareaincentralGansuprovince;lyciumwith
flatfruitsandMongoli
4、alyciumnumber1wasbetter,whichcouldbeplantedforthe
aridandsemi-aridaridsandsinthecentralGansuprovince;2)UnderdifferentratiosofN,P,Kfertilization,fortheyounglyciumthathas
beencontinuouslyfertilizedthreeyears,verylittlelyciumvarietiesshowed
reproductivegrowth,mostoflyc
5、iumvarietiesshowedvegetativegrowth;Ningxia
lyciumNo.5,lyciumwithflatfruitandMenglyciumNo.1gainedhigheryield,the
bestratioofNPKfertilizationwas12gN+3gP+1.5gKforperlycium,annual
fertilizationamountwas48gN+12gP+6gK;Whenplantedinthebuiltgardens,the
locallyciumbarbarumva
6、rietyNingxialyciumNo.1shouldbethepollinatetree.
3)Accordingtotheresultsofadultlyciumfieldfertilization,lyciumbarbarum
leafnitrogencontentgraduallyincreasedwiththeincreasingofNfertilization;lycium
barbarumfruityieldwasthehighestunderP417g+K313gforperlyceumconditions.
7、
MoreNPKfertilizershouldbeappliedattheperiodoflyciumbarbarumfruitripening（fromJunetoSeptembe）,afterfruitmatured(October),NfertilizershouldbereducedandPfertilizershouldbeadded.AsforLyciumbarbarumfieldcultivation,theannualfertilizerratiowascarbamide217g+superphosphate
8、417g+potassiumsulphate313gforperplant.4)Foradultlyciumbarbarum,theorderoffertilizereffectsonyieldwasN>K>P,Fe>B>Zn>Mo,thebestfertilizerrati
