Essays about: "biologisk gödsling"

Found 3 essays containing the words biologisk gödsling.

  1. 1. Challenges during start-up of urine nitrification in an MBBR

    University essay from Lunds universitet/Kemiteknik (CI)

    Author : Ellen Ascard Edefell; [2017]
    Keywords : Urine; source-separation; urine stabilisation; nitrogen recovery; nitrification; moving bed biofilm reactor; MBBR; water engineering; environmental engineering; vattenförsörjningsteknik; avloppsteknik; Technology and Engineering;

    Abstract : Nitrogen and phosphorous compounds are secreted by humans and treated in wastewater treatments plants. These substances are also found in agricultural fertilisers and needed for plant growth. Nutrient recycling is limited in conventional treatment systems and valuable products are lost. READ MORE

  3. 2. In search for sustainable alternatives to lawns : connecting research and landscape design

    University essay from SLU/Dept. of Urban and Rural Development

    Author : Ameli Hellner; Julia Vilkénas; [2014]
    Keywords : Alternative lawns; Sustainable lawns; Lawns; Landscape design history; Sustainability; Ecosystem services; Design; Ultuna; Demonstration Trail; Lawn trail; Sustainable design;

    Abstract : A large part of Sweden’s green, urban landscape is covered by lawns. Approximately 80 000 ha of maintained grass lawns are part of public courtyards, schoolyards, parks, golf courses, sport fields and traffic environments. Beyond this figure, the lawn is also an essential element in most private villa-gardens. READ MORE

  4. 3. Klibbalens gödslingseffekt på volymproduktionen i ett blandbestånd av gran och klibbal : en simulering i Heureka

    University essay from SLU/Dept. of Forest Ecology and Management

    Author : Therese Andersson; Ronja Jägbrant; [2012]
    Keywords : kväve; kvävefixering; blandskog; blandskogseffekt; Picea abies; Alnus glutinosa; StandWise; biologisk gödsling;

    Abstract : A secondary and a pioneer tree species can with advantage be included in a mixed stand to increase the use of sunlight. Nitrogen-fixing plants have been shown to increase the supply of nitrogen in the soil by, for example, litter fall. This deposition acts as a biological fertilization, which may be used by non-fixing plants. READ MORE