Essays about: "biofer"

Found 4 essays containing the word biofer.

  1. 1. Synergies of nutrient fractions for fertilization in agriculture

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

    Author : Linda Adjei; [2022]
    Keywords : Phosphorus; Wastewater; Polonite; molybdenum blue spectrophotometry; Fertilizer; Sunflower; Plant growth;

    Abstract : A few countries are controlling the worlds phosphate reserves and this raw material is depleting at a faster rate. Most of the mined phosphate rock comes from Morocco and the Russia area which has unstable security. Studies shows that about 40% of potash export and 28% of nitrogen and phosphorus (P) fertilizer products comes from the Russia area. READ MORE

  3. 2. What role in the nitrogen supply do organic fertilizers have for organic farming?

    University essay from SLU/Dept. of Economics

    Author : Arvid Aschan; [2017]
    Keywords : organic farming; organic fertilizers; nitrogen supply;

    Abstract : The demand for organic products has been substantially increasing, which has been noted by Lantmännen, one of Northern Europe´s largest agricultural cooperative. With the increasing demand for organic products, Lantmännen has set a goal of doubling its trade in organic grain by year 2020. READ MORE

  4. 3. Värdering av kvävet i organiska gödselmedel

    University essay from SLU/Dept. of Soil Sciences

    Author : Jon Orvendal; [2007]
    Keywords : organiskt gödselmedel; stallgödsel; analysmetod; vinass; biofer; inkubering; vattenlösligt kväve;

    Abstract : Within agriculture it is important to optimize the use of nitrogen, not only from an economic point of view but also to minimize damage to the environment. This can sometimes be difficult, especially within organic farming. Organic farmers are using increasing amounts of waste products from the food industry to cover their nitrogen needs. READ MORE

  5. 4. Vallört som växtnäringskälla : växtnäringsförsök och litteraturstudie

    University essay from SLU/Horticulture

    Author : Anna Brusling; [2007]
    Keywords : symphytum x uplandicum; vallört; vallörtskoncentrat; växtnäring; tomat;

    Abstract : Russian comfrey, Symphytum x uplandicum, was tested as a plant nutrient source in a trial with tomatoes. Comfrey liquid was produced by Stiftelsen Holma i Höör. READ MORE