Essays about: "manure separation"

Showing result 1 - 5 of 10 essays containing the words manure separation.

  1. 1. Separation and acidification of digested animal manure : properties of the future organic fertilizers

    University essay from SLU/Dept. of Soil and Environment

    Author : Marie Björs; [2023]
    Keywords : Digestate; Eutrophication; Farmers’ survey; Plasma activation; Screw press;

    Abstract : Agricultural areas with a high animal density contribute to eutrophication in waterbodies and seas worldwide due to accumulation of nutrients around animal farms. Animal manure is heavy and bulky, thus unpractical to transport long distances and new techniques have been developed to refine animal manure and make it easier to transport. READ MORE

  3. 2. Biochar from separated digestate and pig manure as soil amendment

    University essay from SLU/Dept. of Soil and Environment

    Author : Lovisa Nissen; [2022]
    Keywords : separation; screw press; incubation study; CO2 emission; N mineralization;

    Abstract : The situation in and around the Baltic Sea, with large areas with hypoxia in the sea and areas in the watershed with a high concentration of animal farms, has led to a need to increase the nutrient recycling of animal manure. High levels of phosphorus (P) in the soil lead to leaching, and by reducing the P-level in organic fertilizers, this leaching can be reduced. READ MORE

  4. 3. Gödselfibers för- och nackdelar för kornas hälsa

    University essay from SLU/Dept. of Biosystems and Technology (from 130101)

    Author : Ellen Torstensson; Emelie Persson; [2020]
    Keywords : gödselfiber; green bedding; RMS; fibergödsel; fiberströ; gödsel; strömaterial; djupströbädd; liggbås; teknik; djurhälsa;

    Abstract : Att välja rätt strömaterial till mjölkproduktionen är aldrig lätt. Det finns både för och nackdelar med alla typer av strömaterial. Många lantbrukare i Sverige har hälsa och välmående i fokus då det gäller liggkomfort och minskning av skador hos kor. Gödselfiber är ett relativt nytt material som kommit på marknaden. READ MORE

  5. 4. Vilka aspekter finns det att beakta kring gödselseparering och dess transporter?

    University essay from SLU/Dept. of Biosystems and Technology (from 130101)

    Author : Emil Karlsson; Magnus Nyholm; [2020]
    Keywords : gödselseparation; fosfor; övergödning; transport och dess miljöpåverkan;

    Abstract : I dagens jordbruk finns det en ojämn fördelning utav näringsämnena från den animaliska gödseln. De flesta djurgårdarna är belägna i skogs och mellanbygd där det oftast inte finns tillräckligt med spridningsareal. READ MORE

  6. 5. Human Urine : can it be applied as fertilizer in agricultural systems?

    University essay from Högskolan Kristianstad/Fakulteten för naturvetenskap

    Author : Julia Filling; [2018]
    Keywords : Ecosan; source separation; non-diluted urine; aurin; urine powder; organic fertilizers;

    Abstract : In cities today, vast amounts of nutrients are being wasted. Improvement in nutrient management within agriculture can contribute to a more sustainable society. Reusing nutrients in agriculture could aid in creating a more circular system, where organic fertilizers can be used instead of chemical fertilizers. READ MORE