Essays about: "kväve"

Showing result 26 - 30 of 310 essays containing the word kväve.

  1. 26. Höstraps + frostkänsliga baljväxter = sant? : en undersökning av samodlingseffekter på förekomsten av skadeinsekter

    University essay from SLU/Dept. of Plant Protection Biology

    Author : Madeléne Strandberg; [2023]
    Keywords : Brassica napus; samodling; Vicia faba; Trifolium alexandrinum; Brassicogethes aeneus; Ceutorhynchus obstrictus; Ceutorhynchus pallidactylus; Dasineura brassicae; parasitering;

    Abstract : Raps, Brassica napus, är en vanlig gröda som odlas främst som oljeväxt. Grödan har ett stort behov av kväve för fullgod tillväxt. READ MORE

  3. 27. Profitability of optimizing biogas production in dairy farms : an experimental case study of a Swedish dairy farm´s usage of nitrogen in digestate as a nutrient resource for crop production

    University essay from SLU/Dept. of Economics

    Author : Nils Hermansson; Albin Åkerblom; [2023]
    Keywords : biogas; optimization; profitability; economic effects; organic; conventional; agriculture; dairy farms; digestate; nitrogen; biogas; optimering; lönsamhet; ekonomiska effekter; ekologiskt; konventionellt; lantbruk; mjölkgårdar; rötrester; kväve;

    Abstract : Biogas has the potential to be a contributor to sustainable energy for electricity, fuel, and heating. Because of that, there are different alternatives for biogas plants. In this study, a farm-based biogas plant for electricity production has been of interest. READ MORE

  4. 28. Model Predictive Urea Dosing Control Strategy for Heavy-Duty Diesel Vehicles

    University essay from KTH/Skolan för elektroteknik och datavetenskap (EECS)

    Author : Mathias Schmekel; [2023]
    Keywords : Model predictive control; Selective catalytic reduction; Nitrogen oxides; Modell-prediktiv reglering; Selektiv katalytisk reduktion; Kväveoxider;

    Abstract : Stricter requirements on the reduction of Nitrogen Oxides (NOx) in the emissions of heavy-duty diesel vehicles drives development for more efficient aftertreatment systems. An ammonia covered catalyst is one of the most successful technologies in reducing NOx by converting it into the harmless byproducts water and nitrogen. READ MORE

  5. 29. Optimizing nitrogen fertilization in ley : Evaluating the usage of N-sensor and other tools for optimized nitrogen fertilization

    University essay from SLU/Dept. of Soil and Environment

    Author : Johan Johnsson; [2023]
    Keywords : nitrogen efficiency; optimized fertilization; SN value; unfertilized area; Yara N-sensor;

    Abstract : Nitrogen is an essential nutrient for plant growth. It has several functions in the plant and a lack of nitrogen can cause severe yield losses. READ MORE

  6. 30. Forskning och nyttjande av mykorrhiza inom nordiskt jordbruk : en litteraturstudie

    University essay from SLU/Dept. of Soil and Environment

    Author : Tova Väätäinen; [2023]
    Keywords : inokulering; AM; Norden; vete; linser; potatis;

    Abstract : Glomeromycota är en division svampar som bildar arbuskulär mykorrhiza (AM) med mer än 80% av alla landlevande växter. Via denna symbios får svampen kolhydrater från växten och i gengäld får växten näringsämnen. READ MORE