Sökning: "leys"

Visar resultat 16 - 20 av 26 uppsatser innehållade ordet leys.

  1. 16. Controlled traffic for grass silage production : an economic evaluation for dairy farmers

    Uppsats för yrkesexamina på avancerad nivå, SLU/Dept. of Economics

    Författare :Hans Alvemar; [2014]
    Nyckelord :CTF; controlled traffic farming; dairy cows; economy; forage; grass ley; silage;

    Sammanfattning : The farm management system controlled traffic farming (CTF) aims to reduce soil compaction by restricting the field traffic from agricultural machinery to permanent traffic lanes. Literature and empirical findings show that soil compaction and field traffic from heavy machinery may affect crop growth negatively, reducing crop yields. LÄS MER

  3. 17. Hållbar köttproduktion och köttkonsumtion i Dalarna

    Master-uppsats, Institutionen för geovetenskaper

    Författare :Erika Näslund; [2013]
    Nyckelord :Sustainable development; meat consumption; meat production; public procurement; Dalarna; Hållbar utveckling; köttproduktion; köttkonsumtion; offentlig upphandling; Dalarna;

    Sammanfattning : The release of green house gases and the environmental impacts humans have on the environment are huge and might cause irreversible changes to our earth. Meat is considered to have large impacts on the environment, especially beef meat and therefore there have lately been considerable discussions on the sustainable level of meat consumption and production. LÄS MER

  4. 18. Soil carbon, pH and yield development in a long-term humus balance trial

    Uppsats för yrkesexamina på avancerad nivå, SLU/Dept. of Soil and Environment

    Författare :Tellie Karlsson; [2013]
    Nyckelord :soil pH; soil carbon; yield development; long term field trial; fertilization; straw management;

    Sammanfattning : Agriculture has to be performed in a sustainable way in order to sustain high yields and to support a globally growing population. Functional soil properties are fundamental for high yields and in order to achieve good soil conditions sustainable management is a key. LÄS MER

  5. 19. Clover (Trifolium spp) gamefields : forage production, utilization by ungulates and browsing on adjacent forest

    Magister-uppsats, SLU/Dept. of Wildlife, Fish and Environmental Studies

    Författare :Karl Komstedt; [2012]
    Nyckelord :clover; Trifolium repens; browsing; gamefields; forage availability; ungulates;

    Sammanfattning : Wildlife is a valuable and renewable resource that promotes economical, ecological and social values. These values are important for developing and maintaining many rural societies. However, growing ungulate populations have led to increased browsing pressure on valuable forest trees and crops. LÄS MER

  7. 20. Alternativa värdväxter för växtpatogener i svensk växtodling

    Kandidat-uppsats, SLU/Dept. of Crop Production Ecology

    Författare :Martin Pettersson; [2012]
    Nyckelord :Samspel; Ogräs; Virus; Svamp; Värdväxter;

    Sammanfattning : Kraven på hög kvalité och höga skördar har länge varit en drivkraft för att effektivisera och utveckla växtodlingen. Lantbrukare har i alla tider försökt att minska de negativa effekter som ogräs, insekter, svampar, bakterier och virus har haft på skörden. LÄS MER