Essays about: "importance of fertilizer"

Showing result 16 - 20 of 20 essays containing the words importance of fertilizer.

  1. 16. Blackwater sanitization with urea in Sweden : sanitization effect and environmental impact

    University essay from SLU/Dept. of Energy and Technology

    Author : Brenda Vidal Estévez; [2014]
    Keywords : blackwater; ecological sanitation; fertilizers; urea treatment; system assessment;

    Abstract : The increasing global population is placing pressure on the water resources and nutrients needed for food production, while increasing the amount of waste generated and the environmental contamination. Technical solutions and changes in the social perception of the environmental problems are needed to address these problems. READ MORE

  3. 17. Optimerad hygienisering vid kompostering av avloppsslam

    University essay from SLU/Dept. of Energy and Technology

    Author : Linda Dunder; [2013]
    Keywords : Avloppsslam; Kompostering; Hygienisering; Kretslopp; Näringsåterföring; Patogener; Urea; Ammoniak; Sewage sludge; Composting; Sanitation; Nutrients; Recycling; Pathogens; Ammonia;

    Abstract : The aim of this study was to in laboratory experiments investigate how addition of urea, ECOX and structural materials can optimize sanitization during composting of sewage sludge. Today we strive for a sustainable society and the importance of closing the nutrient loop increases. READ MORE

  4. 18. Demand and perception of fertilizer : among small-holder farmers in Kenya

    University essay from SLU/Dept. of Economics

    Author : Madelene Casselbrant; Siri Lindqvist Ståhle; [2012]
    Keywords : Bondo; Contingent Value- method; DAP; Economic situation; Embu; Factor demand; Kenya; Soil fertility management; Willingness to pay;

    Abstract : Hunger is a problem in some parts of the world (www, FAO 1, 2012). The lack of food is often a result of insufficient knowledge in soil fertility management (Röing de Nowina, 2012). Ongoing hunger and malnourishment are quite prevalent in Sub-Saharan Africa and are often combined with poverty (www, FAO 1, 2012). READ MORE

  5. 19. Gröngödslingens roll i odlingssystemet : en jämförelse mellan Mälarregionen och Östergötland

    University essay from SLU/Dept. of Crop Production Ecology

    Author : Sofie Karlsson ; [2011]
    Keywords : ekologiskt lantbruk; gröngödsling; ogräskontroll; ekologiska gödselmedel; System Cameleon; kvalitativ intervju;

    Abstract : Green manuring is a way of creating an organic fertilizer by growing a crop that is mowed down. Besides the fertilizing effect this method has been shown to have a positive influ-ence on soil organic matter as well as weed flora, and green manure is an important me-thod of weed control in organic farming in parts of Sweden. READ MORE

  6. 20. Kompostering av köksavfall och användning av kompost i köksträdgård i Chazuta, Peru : jordförbättring och/eller lösning på ett avfallsproblem?

    University essay from SLU/Dept. of Soil Sciences

    Author : Emma Larsson; [2008]
    Keywords : kompost; köksavfall; nedbrytning;

    Abstract : All over the world the waste from human society is causing problems. In developing countries, large cities are polluted through huge amounts of wastes and people are forced to live very close to open deposits. Lima, capital of Peru, is no exception. The countryside in Peru has also a great challenge to face concerning the waste issue. READ MORE