Essays about: "manure."

Showing result 1 - 5 of 269 essays containing the word manure..

  1. 1. Biochar and district heating : The path to negative emissions

    University essay from Uppsala universitet/Institutionen för samhällsbyggnad och industriell teknik

    Author : Amanda Widlund; Thomas Norström; William Isaksson; Andreas Andersson; [2023]
    Keywords : biochar; pyrolysis; climate impact; carbon sink; district heating;

    Abstract : Uppsala Kommun is developing a new city district called Sydöstra staden (SÖS) as an innovative and transformative city district. A technical supply system that aligns with the district’s goals is pyrolysis. Pyrolysis is a process where biomass is heated without the supply of oxygen. READ MORE

  3. 2. TECHNO-ECONOMIC ANALYSIS OFRENEWABLE GAS PRODUCTION AND ELECTRICITY GENERATION FROM ORGANIC WASTE : A Feasibility Study of a Conceptual Biogas Plant in the Santander Region, Colombia

    University essay from Mälardalens universitet/Akademin för ekonomi, samhälle och teknik

    Author : Nelly Sassersson Busadee; Laura Ahmed; [2023]
    Keywords : Organic waste; Biogas; Biomethane; Hydrogen; Waste valorisation; Anaerobic digestion; Combined heat and power; Water scrubbing; Biogas upgrading; Steam methane reforming; Techno-economic analysis; Sensitivity analysis; Colombia;

    Abstract : Strategies to harness the energy from organic waste is gaining importance on a global scale, especially in countries with large quantities of it. In this paper, a techno-economic analysisand a field study were performed to investigate the feasibility of five scenarios for a conceptual biogas facility, based on a case study from Colombia. READ MORE

  4. 3. The potential use of black soldier fly larvae residue as a fertilizer

    University essay from SLU/Dept. of Agricultural Biosystems and Techology

    Author : An-Marthe Ingelaere; [2023]
    Keywords : organic waste; fertilizer; black soldier fly; residue; physico-chemical characteristics; sub-Saharan Africa; socio-economic constraints;

    Abstract : In sub-Saharan Africa (SSA), the primary constraint of agriculture productivity has consistently been ascribed to soil fertility. A common approach to improve soil fertility is the use of fertilizers, both organic and inorganic. Though recently interest is increasing in the use of newer alternatives like biostimulants. READ MORE

  5. 4. Nutrient flow on agroforestry farms in the province of Son La in northwest Vietnam

    University essay from Uppsala universitet/Vindenergi

    Author : Tula Strotz; [2023]
    Keywords : Agroforestry; contouring grass rows; Guinea grass; nutrient losses; Vietnam; Gräsbarriärer; Höglandsodling; näringsförlust; Träjordbruk; Vietnam;

    Abstract : The population in the high mountains of the northwest provinces of Vietnam belongs to the poorest population in the country. Among the reasons behind this are the high frequency of minority groups in the region and the infertile soils of the steep slopes. READ MORE

  6. 5. Lindmalva i sockerbetor : ett framtida ogräs

    University essay from SLU/Dept. of Crop Production Ecology

    Author : Frederik Falck; [2023]
    Keywords : Abutilon theophrasti Medik; Beta vulgaris; biologi; Conviso One; förebyggande åtgärder; herbicider; mekanisk bekämpning; ogräsbekämpning; reproduktion;

    Abstract : Lindmalva (Abutilon theophrasti Medik) är ett sommarannuellt örtogräs som kan leda till kraftiga skördesänkningar i sockerbetor. Svenska betodlare har hittills varit förskonade mot lindmalvan och det har enbart rapporterats om enstaka fynd. READ MORE