Essays about: "perennial production grassland"

Found 4 essays containing the words perennial production grassland.

  1. 1. Impact of Crop Diversity, Fertilization and Legumes on Soil Organic Carbon in Grasslands

    University essay from Lunds universitet/Miljövetenskaplig utbildning

    Author : Kristina Witzgall; [2016]
    Keywords : Soil organic carbon; soil quality; agricultural productivity; perennial production grassland; fertilization; crop diversity; soil carbon; Earth and Environmental Sciences;

    Abstract : Agricultural soil quality is decreasing as a result of the expansion and intensification of agriculture. A key indicator of soil quality is soil organic carbon (SOC) which is degraded when land is converted from natural to cultivated systems and subject to intensive agricultural land use, reflecting reduced soil fertility and productivity. READ MORE

  3. 2. Integrerat växtskydd i rapsodling

    University essay from SLU/Dept. of Crop Production Ecology

    Author : Annika Nilsson; [2014]
    Keywords : integrerat växtskydd; direkta metoder; ogräs; förebyggande åtgärder; rapsodling; växtskadegörare;

    Abstract : Under andra delen av 1900-talet utvecklades ett stort antal kemiska bekämpnings-medel (pesticider) som gav goda kontrolleffekter mot ogräs och växtskadegörare. Dessa medel blev vanliga att använda inom det konventionella lantbruket. Under senare år har dock resistens mot bekämpningsmedel börjat utvecklas hos insekter, svampar och ogräs. READ MORE

  4. 3. Phytoremediation of landfill leachate by irrigation to willow short-rotation coppice

    University essay from SLU/Dept. of Crop Production Ecology

    Author : Theresa Rosenkranz; [2013]
    Keywords : heavy metals; landfill leachate; phytoremediation; willow short-rotation coppice;

    Abstract : Willow short rotation coppice (SRC) is a perennial gricultural crop used for the production of biomass for energy in Sweden. Environmental applications of willow SRC became of interest in the last years, such as the use of willow phytoremediation systems for the treatment of andfill leachate. READ MORE

  5. 4. Effects of rye-grass and red clover on morphology and biomass allocation in couch grass

    University essay from SLU/Dept. of Crop Production Ecology

    Author : Jacob Yesudasan; [2013]
    Keywords : competition; morphological features; weed control; rhizome; below ground biomass; perennial growth; couch grass;

    Abstract : Couch grass (Elytrigia repens) is a problematic weed, native to Europe and commonly found in grassland and agricultural land, causing a decrease in yield in many agricultural crops. Two climate chamber experiments were conducted to investigate how competition from cover crops like red clover (Trifolium pretense var. READ MORE