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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
201

Multitrophic plant insect interactions in dependence of belowground processes / Multitrophische Pflanze-Insekt Interaktionen in Abhängigkeit von unterirdischen Prozessen

Poveda Morciniec, Katja Andrea 19 May 2005 (has links)
No description available.
202

The effect of grassland botanical composition and (co-) grazing cattle and sheep on herbage production and sward nutrient utilisation / Der Effekt von botanischer Grasland-Zusammensetzung und (gemeinsam) grasenden Rindern und Schafen auf Futterproduktion und Nährstoffnutzung der Grasnarbe

Seither, Melanie 11 July 2011 (has links)
No description available.
203

Beitrag von Ackerbohne (Vicia faba L.), Luzerne (Medicago sativa L.) und Saatwicke (Vicia sativa L.) zur Selbstregelung der N-Zufuhr in leguminosenbasierten Fruchtfolgen. / The contribution of faba bean (Vicia faba L.), alfalfa (Medicago sativa L.) and vetch (Vicia sativa L.) to the self-regulation of N input in legume-based cropping systems.

Anthes, Johann 03 February 2005 (has links)
No description available.
204

Spatial aggregations in annual wild plant communities: Competition, Performance, and Coexistence / Räumliche Aggregation in einjährigen Ackerwildpflanzenansaaten: Auswirkungen auf Konkurrenz, Produktivität und Koexistenz

Waßmuth, Birte Eleen 06 November 2008 (has links)
No description available.
205

Shrub encroachment of temperate grasslands: Effects on plant biodiversity and herbage production

Kesting, Stefan 19 November 2009 (has links)
No description available.
206

Pollen Genotype Effects on Seed Quality and Selection of Single Seeds by Near-Infrared Reflectance Spectroscopy (NIRS) in Winter Oilseed Rape / Einfluss des Pollen-Genotyps auf die wertbestimmenden Inhaltsstoffe und Selektion von Einzelsamen mit Hilfe der Nah-Infrarot-Reflektions-Spektroskopie (NIRS) bei Winterraps

Hom, Nang Hseng 15 July 2004 (has links)
No description available.
207

Einfluss der Schwermetalle Zink, Cadmium und Blei auf Wachstum und Nährstoffaufnahme von Acacia saligna, Casuarina equisetifolia und Cupressus sempervirens / Influence of heavymetals Zinc, Cadmium and lead on growth and uptake of Acacia saligna, Casuarina equisetifolia und Cupressus sempervirens

Aly, Ragaa Aly Taha 16 May 2002 (has links)
No description available.
208

Nahinfrarotspektroskopische Erfassung und Charakterisierung der nutritiven und fermentativen Qualität von Grassilage im ungetrockneten Zustand / Near infrared spectroscopic measuring and characterisation of the nutritive and fermentative quality of grass silage in undried state

Gibaud, Hélène 25 January 2008 (has links)
No description available.
209

Pilzkrankheiten in Körnerfuttererbsen (Pisum sativum L.) – Diagnose, Epidemiologie, Ertragsrelevanz und Bekämpfung / Pea Diseases (Pisum sativum L.) - Diagnostic, Epidemiology, Yield-Relevance and Control

Pflughöft, Oliver 17 July 2008 (has links)
No description available.
210

Teachers' understanding and use of digital play for language acquisition in Grade R

Van der Westhuizen, Leonie Magdalena 11 1900 (has links)
Teachers tend to use traditional teaching methods, even though young learners are more digitally oriented. The purpose of this study was to analyse teachers' understanding and practices in grade R classes to clarify their use of digital play for language acquisition. The participants consisted of eight grade R teachers at one selected primary school in an urban area that had access to digital technology. Bronfenbrenner's ecological systems theory as a theoretical framework informed this study. This qualitative single case study generated data from teacher participants and their interaction with the learners. The data generation included semi-structured individual interviews, focus group interviews, and non-participant observations. Analyses to answer the research questions were conducted by means of thematic analysis. The main finding was that grade R teachers have some knowledge and understanding of digital play and they are willing to try new games, but they feel they need to know more about digital technology and the use of digital games for language acquisition. Recommendations include the need for the development of more digital games relevant to language acquisition and for teachers to adopt relevant pedagogies to benefit from available digital games. A similar study in a rural area and a comparison between this study and such a study will then be useful in determining teachers' understanding and use of digital play for language acquisition. / Onderwysers is geneig om tradisionele onderrigmetodes te gebruik, selfs al is jong leerders meer digitaal georiënteerd. Die doel van hierdie studie was om onderwysers se begrip en praktyke in graad R-klasse te ontleed, om hul gebruik van digitale spel vir taalverwerwing duidelik te maak. Die deelnemers het bestaan uit agt graad R-onderwysers by een uitgesoekte laerskool in ʼn stedelike gebied, met toegang tot digitale tegnologie. Hierdie studie is geïnspireer deur Bronfenbrenner se ekologiese stelselteorie as ʼn teoretiese raamwerk. Hierdie kwalitatiewe enkelgevallestudie het data van onderwyser-deelnemers en hul interaksie met die leerders gegenereer. Die datagenerering het halfgestruktureerde individuele onderhoude, fokusgroeponderhoude en niedeelnemer-waarnemings ingesluit. Die vernaamste gevolgtrekking was dat graad R-onderwysers oor ʼn mate van kennis en begrip van digitale spel beskik en dat hulle bereid is om nuwe speletjies te probeer, maar hulle voel hulle behoort meer te weet van digitale tegnologie en die gebruik van digitale speletjies vir taalverwerwing. Aanbevelings sluit in: die behoefte aan die ontwikkeling van meer digitale speletjies wat op taalverwerwing betrekking het; en dat onderwysers tersaaklike pedagogieë moet inspan om uit die beskikbare digitale speletjies voordeel te trek. ʼn Soortgelyke studie in ʼn landelike gebied en ʼn vergelyking tussen hierdie studie en so ʼn studie sal dan nuttig wees om onderwysers se begrip en gebruik van digitale spel vir taalverwerwing te bepaal. / Barutiši ba na le go šomiša mekgwa ya sekgale ya go ruta, le ge e le gore baithuti ba baswa ba na le tsebo ya theknolotši. Morero wa nyakišišo ye e be e le go sekaseka mašomelo le kwešišo ya barutiši ka diphapošing tša kreiti R go hlalosa tšhomišo ya bona ya papadi ya ditšitale ya go ithuta polelo. Bakgathatema ba bopilwe ke barutiši ba seswai ba kreiti R sekolong se se kgethilwego sa poraemari ka nagasetoropong seo se nago le theknolotši ya ditšitale. Teori ya mekgwa ya ekolotši ya Bronfenbrenner bjalo ka foreimiweke ya teori e thekgile nyakišišo ye. Kheisesetati ye e tee ya khwalithethifi e tšweleditše datha go tšwa go bakgathatema ba e lego barutiši le kopano ya bona le baithuti. Tšweletšo ya datha e akareditše dipoledišano tša motho o tee ka o tee tša go beakanywa seripa, dipoledišano tša go nepiša sehlopha, le ditlhokomelo tša ba go se kgathe tema. Ditshekatsheko go araba dipotšišo tša dinyakišišo di dirilwe ka go šomiša tshekatsheko ya thematiki. Kutullo ye kgolo e bile gore barutiši ba kreiti R ba na le tsebo le kwešišo ye nyane ya papadi ya ditšitale le gore ba rata go leka dipapadi tše diswa, eupša ba kwa ba nyaka go tseba tše ntši ka ga theknolotši ya ditšitale le tšhomišo ya dipapadi tša ditšitale tša go ithuta polelo. Ditšhišinyo di akaretša nyakego ya tlhabollo ya dipapadi tša ditšitale tše ntši tša maleba go ithuteng polelo le gore baithuti ba amogela serutiši sa maleba gore ba holege dipapading tša ditšitale. Nyakišišo ye bjalo nagamagaeng le papišo gare ga nyakišišo ye le nyakišišo ye bjalo gona e tla ba le mohola taetšong ya kwešišo ya barutiši le tšhomišo ya papadi ya ditšitale ya go ithuta polelo. / Curriculum and Instructional Studies / M. Ed. (Curriculum Studies)

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