共查询到10条相似文献,搜索用时 15 毫秒
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FactorsAffectingElectro-FusionandElectro-ActivationInSerialNuclearTransplantationInGoat(Carpahircus)EmbryoWANGYu-ge(王玉阁);ZOUX... 相似文献
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生态农业与乡村经济持续发展 总被引:1,自引:0,他引:1
生态农业与乡村经济持续发展张壬午,计文瑛,孙鸿良(天津农业部环境保护研究所,300191)(中国农科院,北京100081)EcologicalAgricultureandSustainableDevelopmentofRuralEconomy¥.ZhangRenwu;JiWenying(Agro-environmentProteclionInstitute,Tianjin300191),SunHongliang(ChineseAcademyofAgriculturalScienccs,Beijing100081).ChineseJournalofEcology,1993,12(2):19—20.ThispaperbrieflypresentsthecurrentdevelopmentofecologicalagricultureinChinaandcompareswiththe''sustainableagricultureandruraldevelopment''(SARD)putforwardbyFAO,China’ssustainablea-gricultureisnotonlyaningenious 相似文献
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农业生态系统的人类生态学分析模式探讨李季(北京农业大学农业生态环境科学系,100094)AnAnalyticalModelofAgroecosystemfromHumanEcologyPerspective¥.LiJi(DepartmentofEcologyandEnvironmentalSciences,BeijingAgriculturalUniversity100094).ChineseJournalofEcology,1993,12(2):23-24.Basedontheanalysisofourcurrentagro-ecologicalrcsearch,anewanalyticalmodelofagro-ecosystemkestablishedandthecontentsofitsresearcharerestructured.Theaimoftheseistoprovideamodelforthedevelopmentofregionalagriculture,whichcannotonlyexpandthecurrentrelatedtheoriesandmethodologies,but 相似文献
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遗传学、优生学与伦理学试探A 总被引:3,自引:0,他引:3
遗传学、优生学与伦理学试探邱仁宗(中国社会科学院哲学研究所,北京100732)APreliminaryApproachtoGenetics,EugenicsandEthicsQiuRenzong(InstituteofPhilosophy,Chine... 相似文献
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宁南山区灌溉农业立体复合种植生态系统生产力的研究 总被引:1,自引:0,他引:1
宁南山区灌溉农业立体复合种植生态系统生产力的研究杜守宇田恩平,王占山(宁夏农业技术推广总站,银川750001)(固原县农业技术推广中心,756000)StudyonProductivityofIrrigatedStereoscopicMultiple-CroppingEcosystemsinMountainousAreaofSouthernNingxia¥DuShouyu(CelleralStationofAgriculturalTechniqueExtensionofNingxia,Yinchuan750001),TianEnping,WangZhanshan(AgriculturalTechniqueExtensionCenterofCuyuancounty,756000).ChineseJournalofEcology,1993.12(6):11-16.ThevariouscroppingecosystemsareassessedcomprehensivelyforbenefitbytheanalysisofHierarchicalprocedureandtheexpectedbeneficialva 相似文献
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景观生态学中的文化研究 总被引:19,自引:1,他引:18
景观生态学中的文化研究李团胜(中国科学院沈阳应用生态研究所,110015)ResearchonCultureinLandscapeEcology.LiTuansheng(InstituteofAppliedEcology,A-cademiaSinic... 相似文献
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EM(有效微生物群)的研究与应用 总被引:49,自引:0,他引:49
EM(有效微生物群)的研究与应用李维炯,倪永珍(北京农业大学100094)EffectiveMicroorganismsResearchandItsApplication¥,LiWeijiong,NiYongzhen(BeijingAgricultu... 相似文献
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在国际侵蚀控制学会(InternationalErosionControlAsociation,IECA)等国际机构的资助与倡导下,第一届亚太地区侵蚀控制与护坡生物工程大会暨展览(FirstAsia-PacificConferenceandExhib... 相似文献
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温度对麦长管蚜的影响 总被引:6,自引:0,他引:6
温度对麦长管蚜的影响汪世泽,郝树广(西北农业大学陕西杨陵712100)EffectsofTemperatureonEnglishGrainAphid¥.WangShize;HaoShuguang(NorthwesternAgriculturalUniversity,Yangling,ShaanxiProvince712100).ChineseJournalofEcology,1993,12(3):53-56.InanexperimentalpopulationofEnglishgrainaphid,thedevelopmentrateV(t)ofalataeislowerthanthatofapterae,andtheV(t)of4thinstarofalataeistheIowest.Thealataeappearstobeabletotoler-ateawiderrangeoftemperature,butthesurvivalcurveisaffectedevidentlybyit.Atlowtemperature,thecurvedeclinesslowly,butathightemperature 相似文献