Sökning: "Jordbruksvetenskap"

Visar resultat 1 - 5 av 150 avhandlingar innehållade ordet Jordbruksvetenskap.

  1. 1. Recycling Filter Substrates used for Phosphorus Removal from Wastewater as Soil Amendments

    Detta är en avhandling från Stockholm : KTH

    Författare :Victor Cucarella Cabañas; KTH.; [2009]
    Nyckelord :LANTBRUKSVETENSKAPER; AGRICULTURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; LANTBRUKSVETENSKAPER; AGRICULTURAL SCIENCES; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; NATURVETENSKAP; NATURAL SCIENCES; Compact filter; Filtra P; Phosphorus recycling; Polonite; Soil amendment; Sorption isotherms; FORESTRY; AGRICULTURAL SCIENCES and LANDSCAPE PLANNING Soil science; SKOGS- och JORDBRUKSVETENSKAP samt LANDSKAPSPLANERING Markvetenskap; NATURAL SCIENCES Chemistry Inorganic chemistry Solution chemistry; NATURVETENSKAP Kemi Oorganisk kemi Lösningskemi; FORESTRY; AGRICULTURAL SCIENCES and LANDSCAPE PLANNING Area technology Agricultural engineering; SKOGS- och JORDBRUKSVETENSKAP samt LANDSKAPSPLANERING Areell teknik Jordbruksteknik; TECHNOLOGY Civil engineering and architecture Water engineering; TEKNIKVETENSKAP Samhällsbyggnadsteknik och arkitektur Vattenteknik; NATURAL SCIENCES Chemistry Environmental chemistry; NATURVETENSKAP Kemi Miljökemi;

    Sammanfattning : This thesis studied the viability of recycling filter substrates as soil amendments after being used in on-site systems for phosphorus (P) removal from wastewater. Focus was put on the materials Filtra P and Polonite, which are commercial products used in compact filters in Sweden. LÄS MER

  2. 2. Managing Work at Several Places Understanding Nomadic Practices in Student Groups

    Detta är en avhandling från Stockholm : KTH

    Författare :Chiara Rossitto; KTH.; [2009]
    Nyckelord :LANTBRUKSVETENSKAPER; AGRICULTURAL SCIENCES; SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Computer-Supported Cooperative Work; Mobility; Space and Place; Field Studies; Design Process; FORESTRY; AGRICULTURAL SCIENCES and LANDSCAPE PLANNING Area technology; SKOGS- och JORDBRUKSVETENSKAP samt LANDSKAPSPLANERING Areell teknik; INTERDISCIPLINARY RESEARCH AREAS Technology and social change; TVÄRVETENSKAPLIGA FORSKNINGSOMRÅDEN Teknik och social förändring; SOCIAL SCIENCES; SAMHÄLLSVETENSKAP;

    Sammanfattning : Within Swedish universities students are often required to work in groups to collaborate on projects or to write essays. A salient feature characterizing this type of work is the lack of a stable and fixed location wherein project- related activities can be carried out and accomplished. LÄS MER

  3. 3. Urban Land-cover Mapping with High-resolution Spaceborne SAR Data

    Detta är en avhandling från Stockholm : KTH

    Författare :Hongtao Hu; KTH.; [2010]
    Nyckelord :LANTBRUKSVETENSKAPER; AGRICULTURAL SCIENCES; High-resolution; RADARSAT-1 SAR; RADARSAT-2 SAR; Urban Land Cover; Object-based Classification; Neural Network; Support Vector Machines.; FORESTRY; AGRICULTURAL SCIENCES and LANDSCAPE PLANNING Area technology Remote sensing; SKOGS- och JORDBRUKSVETENSKAP samt LANDSKAPSPLANERING Areell teknik Fjärranalys;

    Sammanfattning : Urban areas around the world are changing constantly and therefore it is necessary to update urban land cover maps regularly. Remote sensing techniques have been used to monitor changes and update land-use/land-cover information in urban areas for decades. Optical imaging systems have received most of the attention in urban studies. LÄS MER

  4. 4. Conifer chemical defense Rugulation of bark beetle colonization and pheromone emission

    Detta är en avhandling från Stockholm : KTH Royal Institute of Technology

    Författare :Tao Zhao; KTH.; [2011]
    Nyckelord :LANTBRUKSVETENSKAPER; AGRICULTURAL SCIENCES; Picea abies; Ips typographus; Ceratocystis polonica; methyl jasmonate; windstorm; stress response; terpenes; phenols; colonization; pheromone emission; FORESTRY; AGRICULTURAL SCIENCES and LANDSCAPE PLANNING Plant production Plant and forest protection; SKOGS- och JORDBRUKSVETENSKAP samt LANDSKAPSPLANERING Växtproduktion Växt- och skogsskydd;

    Sammanfattning : Terpenes and phenols are of importance in conifer defense against insects and pathogens. Knowledge about tree chemical defense is vital for developing practical methods to maintain healthy forests. LÄS MER

  5. 5. Use of rhizobacteria for the alleviation of plant stress

    Detta är en avhandling från Stockholm : KTH Royal Institute of Technology

    Författare :Islam Ahmed Moustafa Abd El-Daim; Sveriges lantbruksuniversitet.; [2015]
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; LANTBRUKSVETENSKAPER; AGRICULTURAL SCIENCES;

    Sammanfattning : Plant growth promoting rhizobacteria are beneficial microbes able to induce plant stress tolerance and antagonise plant pathogens. The present study showed that wheat seedlings pre-treated with Bacillus thuringiensis AZP2 had better tolerance to severe drought stress and showed 78% greater plant biomass and five-fold higher survivorship compared to wheat seedlings not treated with the bacterium. LÄS MER