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1.
集约高产过程中土壤有机质动态初探   总被引:2,自引:0,他引:2  
集约高产过程中土壤有机质动态初探崔玉亭,韩纯儒(北京农业大学,100094)DynamicsofSoilOrganicMatter(SOM)intheProcessofAgriculturalIntensification¥.CuiYuting;HanChunru(BeijingAgriculturalUniversity,100094).ChineseJournalofEcology,1993,12(2):37—38.Inthispaper,thebalanceofsoilorganicmatter(SOM)intheprocessofagriculturalintensificationinChangzhouregionisstudiedandamedium-andlong-termpredictionofitsdynamicsismade。There-sultsshowthatduringthisprocess,thebalanceofSOMisgettingbetter,andafteramediumorlongpe-riod(e.g,10—20yeats),theSOMcontentcangett  相似文献   

2.
浸润垄作稻田土壤生态系统的研究   总被引:7,自引:0,他引:7  
浸润垄作稻田土壤生态系统的研究魏朝富,高明,车福才,邓春(西南农业大学土化系重庆630716)AStudyonInfiltrated-RidgedPaddySoilEcosystem¥.WeiChaofu;GaoMing,CheFuchai;DengChun(SouthwestAgriculluralUniversity,).ChineseJournalofEcology,1993,12(3):26-30;Thispaperdealswichaninfiltrated-ridgedpaddysoilecosystemwhichisconstructedbyridgingandcon-tinuousfurrowinfiItratiOnirrigation,ComparingwithlevelinfiItratedpaddysoilecosystem,thisecosys-temhascoexistedgas-liquid,gas-solidandliquid-solidinterfaces,enlargessoilsurfaceby38%andincreasescuItivatedlayerby5-10cm.  相似文献   

3.
黄土高原的土壤水分利用与生态环境的关系   总被引:12,自引:0,他引:12  
黄土高原的土壤水分利用与生态环境的关系韩仕峰,黄旭(中国科学院西北水土保持研究所,陕西杨陵712100)(水利部西北水土保持研究所,陕西杨陵712100)RelationshipBetweenSoilWaterUtilizationandEcologicalEnvironmentintheLoessPlateau¥HanShifeng;HuangXu(NorthwesternInstituteofSoilandWaterConsereation,AcademiaSinica,Yangling,ShaanxiProvince712100).ChineseJournalofEcology,1993,12(1):25-28。It'sconsideredbytheauthorsthattherearethreekindsofproblemsinutilizationofsoilwaterresourcesintheLoessPlateau:1.formationofadefinitethicknessofdrysoillayerduetointensivewaterabsorp-tionandconsumption  相似文献   

4.
土壤含水量与头季稻和再生稻产量的关系   总被引:2,自引:0,他引:2  
土壤含水量与头季稻和再生稻产量的关系熊洪SombatChinawong(四川省农科院水稻高粱所,泸州646100)(KasetsartUniversity,Bangkok73140)RelationshipBetweenSoilWaterConten...  相似文献   

5.
诌议土壤盐渍化的生态防治   总被引:24,自引:1,他引:24  
诌议土壤盐渍化的生态防治王春裕(中国科学院沈阳应用生态研究所,110015)DiscusiononEcologicalControlofSoilSalinization.WangChunyu(InstituteofAppliedEcology,Aca...  相似文献   

6.
土壤种子库的结构与动态   总被引:32,自引:1,他引:31  
班勇 《生态学杂志》1995,14(6):42-47
土壤种子库的结构与动态班勇(中国林业科学院林业研究所,北京100091)StructureandDynamicsofSeedsBanksinSoil.¥BanYong(ResearchInstituteofForestry,ChineseAcadem...  相似文献   

7.
蔗糖梯度离心纯化人类中期染色体①施家琦唐冬生夏家辉(湖南医科大学医学遗传学国家重点实验室,长沙410078)PurificationofHumanMetaphaseChromosomesbySucroseGradientCentrifugationS...  相似文献   

8.
人类生产活动对土壤生态系统的影响   总被引:2,自引:0,他引:2  
人类生产活动对土壤生态系统的影响武志杰(中国科学院沈阳应用生态研究所,110015)InfluenceofHumanActivityonSoilEcosystem¥.WuZhijie(InslituteofAppliedEcology,AcademiaSini-ca,Shenyang110015).ChineseJournalofEcology,1993,12(4):47-51.Therelationshipbetweenhurnanactivityandsoilecosytemisanalysed.Soilecologicalstructureanditsfunctionaregreatlyinfluencedbyhumanactivities,suchasfarming,fertilization,irrigationandpollution.Soilecosystemurgentlyneedstobeprotected.Keywords:soilecology,humanactivity,soilecosystem.1总论土壤生态系统是一种人工干预最多的生态系统。对于土壤生态系统,人类首要的企图是维持  相似文献   

9.
贵州省西北部“百里杜鹃林”的土壤生态条件   总被引:6,自引:0,他引:6  
贵州省西北部“百里杜鹃林”的土壤生态条件庞纯焘,宋铭荷,田光普(贵州教育学院,贵阳550003)(贵州农学院,贵阳550006)SoilEcologicalConditionsinthe"HundredLi(500m)AzaleaForcst"inNorthwestGuizhouProvince¥PangChuntao;SongMinghe(GuizhouEducationCollege,Guiyang550003),TianGuangpu(GuizhouAgriculturalCollege,Guiyang550006).ChineseJournalofEcology,1993,12(1):49-52。Thereisavastareaofazalea(Rhododendronspp.)forestinNorthwestGuizhouProvince,Atfloweringseasoninsummer,itbecomesaregionoftouristattraction.Thisregionissofascinatingthatpeoplecallit"HundredLi(500m)AzaleaFores  相似文献   

10.
土壤微生物生物量周转的估算   总被引:44,自引:5,他引:39  
土壤微生物生物量周转的估算高云超,朱文珊,陈文新(北京农业大学生物学院,100094)EstimationforBiomassandTurnoverofSoilMicroorganisms¥GaoYunchao;ZhuWenshan;ChenWenxin(CollegeofBiologicalSciences,BeijingAgriculturalUniversity,Beijing100094).ChineseJour-nalofEcology,1993,12(6):6-10。Toobtainsomeinformationabouttransformationofmineralnutrientsbysoilmicroorganisms,wehavemeasuredtheamountandturnoverrateofsoilrnicrobialbiomassinno-tillage,directdrillingandplow-ingsoils.Microbialbiornassinno-tillagetopsoilis51.7%and26.0%higherthanthoseinplowinganddirec  相似文献   

11.
鼎湖山土壤的微生物及其对酸度的适应特征   总被引:2,自引:0,他引:2  
鼎湖山土壤的微生物及其对酸度的适应特征葛荣盛(广东省土壤研究所广州510650)SoilMicrobcsatDinghushanNaturalReserveandTheirAdaptabilitytoAcidity¥.GeRongsheng(Guang-dongInstituteofSoilSciences,Guangzhou510650).ChineseJournalofEcology,1993,12(3):11-18.ThispaperdiscussesthemicrofloraeinsoilsunderdifferentforesttypesatDinghusannaturalreserveandtheiradaptabilitytoacidity:1.Undermixedforest,ammonifyingBacteria,cellulose-decomposingbacteriaandOligonitrophilesaredominant;underbroadleavedforest,ceIlulose-decomposingfungiaremore;andlittledifferencecanb  相似文献   

12.
热带胶茶人工群落中土壤动物季节变化的研究   总被引:17,自引:1,他引:17  
邓晓保 《生态学杂志》1994,13(5):31-34,12
热带胶茶人工群落中土壤动物季节变化的研究邓晓保(中国科学院昆明生态研究所,650223)SeasonalVariationofSoilAnimalsinMan-MadeRubber-TeaCommunityinTropics.¥DengXi-aoba...  相似文献   

13.
ADVISORJIAORui Shen (J .S .Chao)  Professor(InstituteofPlantPhysiologyandEcology ,ShanghaiInstitutesforBiologicalSciences ,ChineseAcademyofSciences ,Shanghai 2 0 0 0 32 ,China)EDITOR IN CHIEFYANGSheng Li  Academician(ShanghaiResearchCenterforBiotechnology ,ChineseAca…  相似文献   

14.
用三亲水交配方法分别将载有褐球固氮菌(Azotobacterchroococcum)呈组成型表达的nifAC的质粒pCK5和肺炎克氏杆菌(Klebsiellapneumoniae)含有nifA^C和nifA-ntrC基因的质粒pCK3,pSZ36和pSZ23-CA导入根癌土壤杆菌(Agrobacteriumtunefaciens)C58/pGV3850所得转移接合子的生长速率和野生型相似。在10m  相似文献   

15.
薛玺  王永清 《植物研究》1994,14(4):424-433
本实验用普通小麦“中国春”和八种异细胞质“中国春”(Aegilops vavilovii)CS,(Ae.juvenalis)CS,(Ae.crassa)CS,(Ae.comosa)CS,(Ae.uniaristata)CS,(Ae.speltoides.M.)CS,(Ae.kotschyi)CS.(T.timopheevi)CS分别与八倍体小偃麦(Trititrigia 8x)“远中2”、“远中4  相似文献   

16.
连栽土壤对杉木幼苗生长影响的研究   总被引:5,自引:0,他引:5  
连栽土壤对杉木幼苗生长影响的研究马越强廖利平杨跃军汪思龙高洪陈楚莹(中国科学院沈阳应用生态研究所,110015)刘更有(湖南省会同县林科所,418307)EfectsofReplantSoilontheGrowthofC.lanceolataSedl...  相似文献   

17.
DVISORJIAORui Shen (J .S .Chao)  Professor(InstituteofPlantPhysiologyandEcology ,ShanghaiInstitutesforBiologicalSciences ,ChineseAcademyofSciences ,Shanghai 2 0 0 0 32 ,China)EDITOR IN CHIEFYANGSheng Li  Academician(ShanghaiResearchCenterforBiotechnology ,ChineseAcad…  相似文献   

18.
《化石》2000,(3)
TheNationalMuseumofPlantHistoryofChinaisabranchofherbarium,InstituteofBotany,theChineseAcademyofSciences.Itwasbuiltin1996andofficiallyapprovedbytheChineseAcademyofSciencesin1998.ItwasinscribedbyZhouGuangzhao,Thevice -ChairmanofStandingCommitteeofChine…  相似文献   

19.
毛药山茶 新种 图 1CamelliarenshanxiangiaeC .X .YeetX .Q .Zheng ,sp .nov . (Subgen .MetacamelliaH .T .Chang,Sect.EriandriaCohen Stuart) .Fig .1SpeciesC .crateraeH .T .ChangetC .trigonocarpaeH .T .Changaffinis,sedillafloribusrubris (testenotulacollectoris) ,bracteolissepalisqueutrinq…  相似文献   

20.
No .1StudiesofScreeningMicroorganismsdegradingLinearSodiumAlkylbenzenesulfonate (LAS)anditsDegradingCharacteristics YINGQi Feng,XIAOChang Song,JIShu Lan ( 1)……………………………………………………………………ScreeningofSirainsProducingLipaseswithhighActivitiesandConstructionofStrain…  相似文献   

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