Essays about: "mineralgödsel"

Showing result 21 - 24 of 24 essays containing the word mineralgödsel.

  1. 21. En jämförelse mellan amplifierad singelmolekylanalys och selektiv agar vid kontroll av hygienisering av avloppsslam

    University essay from SLU/Dept. of Soil and Environment

    Author : Julia Fransson; [2011]
    Keywords : amplifierad singelmolekylanalys; avloppsslam; Salmonella; hygienisering;

    Abstract : Bringing back the nutrients from the city to the country is becoming increasingly important, as the world’s stores of nutrients get more exhausted. Sewage sludge is an unapplied resource, rich in plant nutrients, which could replace parts of the commercial fertilizers used in Sweden today. READ MORE

  3. 22. Möjligheter till ökat utnyttjande av fosfor genom grödan med mineralgödselmedel

    University essay from SLU/Dept. of Soil and Environment

    Author : Lisa Ehde; [2010]
    Keywords : fosforeffektivitet; mineralgödsel; fosforutnyttjande; fosforkemi; rotupptag;

    Abstract : The objective of this thesis is to explore opportunities to enhance the phosphorus use efficiencyof inorganic fertilizers in crop production, with techniques available today and in thefuture. Phosphorus is a finite resource of declining quality; therefore a phosphorus use efficiencyin crop production of only 15-30 % is unacceptable. READ MORE

  4. 23. Startfosfor till höstvete

    University essay from SLU/Agrosystems (until 121231)

    Author : Hans-Olof Johnsson; [2008]
    Keywords : höstvete; startfosfor;

    Abstract : There is always an endeavor to govern the initial products in the plant cultivation with precision in order to keep down the expenditure and in order to decrease environmental impact. Initial phosphorus fertilizer can then be one possibility in order to keep down the fertilizer cost and to decrease environmental impact. READ MORE

  5. 24. Användning av rötrest från kombinerad etanol och biogasproduktion : en jämförelse mellan tre alternativ

    University essay from SLU/Dept. of Energy and Technology

    Author : Isak Albertsson; [2008]
    Keywords : rötrest; etanol; biogas; hanteringssystem; miljöpåverkan; energiförbrukning; ekonomi;

    Abstract : Scandinavian Biogas is involved in the planning of a combined ethanol and biogas factory in Karlskoga, Sweden. Besides biogas and ethanol large amounts of digester residues will be produced, about 450 000 liquid tonnes residue (~7,3 % Dry Substance( DS)). READ MORE