Essays about: "thesis on fertilizer"

Showing result 1 - 5 of 58 essays containing the words thesis on fertilizer.

  1. 1. Biomassatillväxt och koldioxidinlagring med mineralnäring och bionäring i norra Sverige

    University essay from SLU/School for Forest Management

    Author : David Berglund; [2023]
    Keywords : organiskt gödsel; kolbildning; norrbotten;

    Abstract : Denna studie är en uppföljning på ett mastersarbete som är del av ett större projekt som heter ”Kolsänkor Norrbotten”. Projektet handlar om att jämföra bionäring (avloppsslam) och mineralnäring på 22 skogsbestånd utspridda i Norrbotten. Dessa bestånd gödslades mellan 2006 och 2008. READ MORE

  2. 2. Techno-economic and environmental analysis of alternative pathways for urea fertilizer production.

    University essay from Linköpings universitet/Industriell miljöteknik

    Author : Wilson Rodriguez; [2023]
    Keywords : Urea fertilizer; ammonia; natural gas; biogas; GWP; PE; hydrogen; nitrogen; technologies.;

    Abstract : The increasing global population has placed significant pressure on meeting food demands, leading to the widespread use of fertilizers to enhance crop yields. Urea, being the most used fertilizer globally, has contributed to improved agricultural productivity. READ MORE

  3. 3. 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

  4. 4. COOPERATOR OR DEFECTOR? A qualitative study of a superpower’s policy efforts on collective environmental issues

    University essay from Göteborgs universitet/Statsvetenskapliga institutionen

    Author : Huidong Song; [2022-08-11]
    Keywords : ;

    Abstract : The thesis studies whether and how China, as an emerging superpower, cooperates on collective environmental issues through complying with international agreements, taking the management of chemical fertilizer and pesticide (agrochemicals) as a case. Through theories neorealism, neoliberalism and neoliberal institutionalism, to gain different theoretical expectations how states like China act to international agreements and collective environmental issues. READ MORE

  5. 5. Microfinance and agricultural productivity - A study exploring the relationship between access to credit and agricultural productivity

    University essay from Göteborgs universitet/Institutionen för nationalekonomi med statistik

    Author : Simon Andersson; Albert Wallgren; [2022-07-08]
    Keywords : ;

    Abstract : This thesis establishes a macro-level analysis of how credit and microfinance affect agricultural productivity. We use fixed effects regression for panel data with countries as the cross-sectional variation from 2000 to 2018. READ MORE