Search for dissertations about: "Agroforestry systems"

Showing result 1 - 5 of 11 swedish dissertations containing the words Agroforestry systems.

  2. 1. The Knowledge Arena : Approaching agroforestry and competing knowledge systems - a challenge for agricultural extension

    Author : Per Hillbur; Institutionen för kulturgeografi och ekonomisk geografi; []
    Keywords : SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Tanzania; coevolution; arena perspective; agroforestry; natural resource management; agricultural extension; knowledge systems; Social geography; Socialgeografi;

    Abstract : Agriculture in many African countries is characterised by large diversity in production and great variation in growing conditions, irrigation potential and access to markets. This variation has proved to be a difficult matter when adjusting national agricultural policies and development projects to local conditions. READ MORE

  4. 2. The relationship between climate, disease and coffee yield: optimizing management for smallholder farmers

    Author : Biruk Ayalew Nurihun; Ayco J. M. Tack; Kristoffer Hylander; Ivette Perfecto; Stockholms universitet; []
    Keywords : LANTBRUKSVETENSKAPER; AGRICULTURAL SCIENCES; Agroforestry; Arabica coffee; climate change; fungal disease; host-hyperparasite interaction; insect pest; minimum temperature and maximum temperature; shade cover; shade tree species; smallholder farmers; yield; Ecology and Evolution; ekologi och evolution;

    Abstract : Climate change and diseases are threatening global crop production. Agroforestry systems, which are characterized by complex multispecies interactions, are considered to provide nature-based solutions for climate change mitigation and pest and disease regulation. READ MORE

  5. 3. Rural Livelihood Options for "a better and more sustainable future". Local perspectives from Myanmar and Morocco

    Author : Laura Kmoch; Chalmers tekniska högskola; []
    Keywords : SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Rural Livelihoods; Cluster Analysis; Technology Adoption; Swidden Farming; Agroforestry; Climate Adaptation; Remittances; Local Agroecological Knowledge;

    Abstract : In 2015, state leaders adopted the 2030 Agenda for Sustainable Development, to address global inequalities and respond to heightened concern about challenges, arising from contemporary global change. This thesis contributes to addressing these challenges, by extending the knowledge base that rural development stakeholders can draw on to co-construct viable livelihood options for vulnerable rural people. READ MORE

  6. 4. Agroforestry systems with trees for biomass production in western Kenya

    Author : Hans Sjögren; Sveriges lantbruksuniversitet; Sveriges lantbruksuniversitet; []
    Keywords : LANTBRUKSVETENSKAPER; AGRICULTURAL SCIENCES; LANTBRUKSVETENSKAPER; AGRICULTURAL SCIENCES;

    Abstract : Low agricultural production and a decline in fuelwood resources are serious constraints for subsistence smallholder farmers in western Kenya in the sub-Saharan African region. Furthermore, low soil fertility and general environmental degradation has contributed to the build-up of the parasitic weed Striga hermonthica. READ MORE

  7. 5. Stem canker and dieback disease on Grevillea robusta Cunn ex R. Br : distribution, causes and implications systems in agroforestry systems in Kenya

    Author : Jane Wangu Njuguna; Sveriges lantbruksuniversitet; Sveriges lantbruksuniversitet; []
    Keywords : LANTBRUKSVETENSKAPER; AGRICULTURAL SCIENCES;

    Abstract : A widespread stem canker and dieback disease threatened the cultivation of Grevillea robusta on farms in Kenya. Disease index increased from 18% in the humid zone to 67% in the semi-arid zones and strongly correlated with altitude and length of drought period in the zones. READ MORE