Essays about: "leys"

Showing result 16 - 20 of 24 essays containing the word leys.

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

    University essay from SLU/Dept. of Economics

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

    Abstract : 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. READ MORE

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

    University essay from SLU/Dept. of Soil and Environment

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

    Abstract : 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. READ MORE

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

    University essay from SLU/Dept. of Wildlife, Fish and Environmental Studies

    Author : Karl Komstedt; [2012]
    Keywords : clover; Trifolium repens; browsing; gamefields; forage availability; ungulates;

    Abstract : 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. READ MORE

  4. 19. Alternativa värdväxter för växtpatogener i svensk växtodling

    University essay from SLU/Dept. of Crop Production Ecology

    Author : Martin Pettersson; [2012]
    Keywords : Samspel; Ogräs; Virus; Svamp; Värdväxter;

    Abstract : 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. READ MORE

  5. 20. Sambandet mellan temperatursumma och näringsvärde i svenskt vallfoder

    University essay from SLU/Dept. of Animal Nutrition and Management

    Author : Victoria Ragnmark; [2012]
    Keywords : Ensilageskörd; Temperatursumma; Dygnsgrader; Vallprognos; Energivärde;

    Abstract : Vallproduktionen i Sverige är av stor betydelse för utfodring av nötkreatur. Vallproduktionen utgör idag 46 % av åkerarealen i Sverige. Skördetillfället avgör till stor del näringsinnehållet i fodret och är därför av stor vikt för att producera ett tillräckligt bra vallfoder. I Sverige finns en webbaserad tjänst (http://www. READ MORE