PhD theses

All Wageningen University PhD theses

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    Wageningen PhD theses


    This database contains bibliographic descriptions of all Wageningen University PhD theses from 1920 onwards. It is updated on a daily basis by WUR Library.

    Author abstracts and/or summaries are added to all descriptions. A link to the full text dissertation is added to the bibliographic description. In a few cases, no electronic version is available, mostly because of copyright issues.

    Hard copies of all theses are available for loan at WUR Library. To request them, click the link Request this publication in the full record presentation. This is a fee based service.

    mail icon WUR Library, 9 july 2012

     

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    We will mail you new results for this query: (dissertatie/nummer=* AND publication year==1959)
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The analysis of bunch production in the oil palm [PhD thesis]
Sparnaaij, L.D. \ 1959
elaeis guineensis - oil palms - botany
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De toepassing van gedeelde stikstofgiften bij enkele zaadgewassen [PhD thesis]
Roon, E. van \ 1959
nitrogen fertilizers - crop damage - mechanical damage - fire - byproducts - stems - fibres - straw
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Stem form and volume of Japanese larch (Larix leptolepis Gord.) in the Netherlands [PhD thesis]
Soest, J. van \ 1959
forestry - trees - forests - measurement - dimensions - volume - larix kaempferi - forest stands
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Windbeschutting van cultuurgewassen, vooral onderzocht voor fruit [PhD thesis]
Rhee, J.A. van \ 1959
orchards - fruit growing - fruit trees - wind protection - plant protection - pest control - climatic factors - meteorological factors - shelterbelts - hedges

Abstract:
ITBON studie

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Grondverbetering op lage zandgronden [PhD thesis]
Otto, W.M. \ 1959
land - reclamation - sandy soils - grasslands - land development - netherlands - veluwe - gelderland - utrecht
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Photosynthesis of crop plants as influenced by light, carbon dioxide, temperature, and stomatal diffusion resistance [PhD thesis]
Gaastra, P. \ 1959
photosynthesis - transpiration - evapotranspiration - light - photoperiod - photoperiodism - shade - temperature - heat

Abstract:
cum laude graduation (with distinction)

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Onderzoekingen over het optreden en de bestrijding van valse meeldauw (Peronospora destructor) bij uien [PhD thesis]
Doorn, A.M. van \ 1959
plant pathogenic fungi - allium cepa - onions
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De chemische en biologische bestrijding van de spintmijt Tetranychus urticae Koch [PhD thesis]
Bravenboer, L. \ 1959
plant pests - mites - tetranychus urticae - natural enemies - plant protection - insecticides - acaricides - molluscicides - biological control - stethorus punctillum - typhlodromus - fungicides - integrated pest management
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Onderzoek naar de bruikbaarheid van de opbrengstwaardeleer voor de taxatie van landbouwgronden [PhD thesis]
Mol, J. \ 1959
land prices - farm leases - tenure systems - rent - land ownership - soil - regional economics
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Bronnen, bronbeken en bronbossen van Nederland, in het bijzonder die van de Veluwezoom : een plantensociologische en oecologische studie [PhD thesis]
Maas, F.M. \ 1959
plant ecology - springs (water) - ecohydrology - natural areas - soil plant relationships - veluwe - gelderland
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The cytological background of Cyclamen breeding = De cytologische achtergrond van de cyclamen-veredeling [PhD thesis]
Legro, R.A.H. \ 1959
ornamental plants - primulaceae
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A physiological study of shading and density effects on the growth and the efficiency of solar energy conversion in some field crops [PhD thesis]
Kamel, M.S. \ 1959
agriculture - plant physiology - botany - light - photoperiod - photoperiodism - shade
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Photoperiodiciteit bij Sorghum vulgare Pers. [PhD thesis]
Keulemans, N.C. \ 1959
sorghum bicolor - plant physiology - light - photoperiodism - photoreceptors - botany - photoperiod - shade - oscillation - biological rhythms - life cycle
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Serologisch onderzoek bij Fusarium oxysporum [PhD thesis]
Tempel, A. \ 1959
plant pathogenic fungi - deuteromycotina - serology - serological surveys - taxonomy - tuberculariaceae
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Richtlijnen voor een ontwikkelingsplan voor de Oostkust van Sumatra [PhD thesis]
Waal, R. van de \ 1959
rural planning - rural development - socioeconomics - economic situation - geography - regions - travel - descriptions - agriculture - indonesia - social sciences - directives - sumatra - economic planning - economic production
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Over de osmotische waarde en de gehalten aan enige opgeloste bestanddelen van de darminhoud en de mest bij het rund, in verband gebracht met de resorptie der mineralen [PhD thesis]
Weerden, E.J. van \ 1959
cattle - animal nutrition
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De toepassing van de additiemethode bij de spectrochemische bepaling van sporenelementen in grondmonsters [PhD thesis]
Zeegers, L.J.B. \ 1959
soil - metallic elements - spectroscopy - spectral analysis - inorganic compounds - quantitative analysis - analytical methods - trace elements - optics
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Pachtprijsbeheersing en landbouwprijsbeleid in Nederland [PhD thesis]
Hoogh, J. de \ 1959
farm leases - tenancy - tenure systems - price policy - price formation - government - prices - costs - netherlands - agriculture
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Het klimaat en de verdamping van een meer in Centraal Irak [PhD thesis]
Wartena, L. \ 1959
hydrology - limnology - lakes - ponds - meteorology - evaporation - evapotranspiration - irrigation - soil - climatology - water - surfaces - iraq - reservoirs
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Cation selectivity and cation-anion balance as factors governing the mineral composition of pasture herbage [PhD thesis]
Said, I.M. \ 1959
botany - plant nutrition - fertilizers - manures - fodder grasses
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