Essays about: "Urea fertilizer"

Showing result 1 - 5 of 18 essays containing the words Urea fertilizer.

  1. 1. Sustainable use of calcium nitrate fertilizer under variable precipitation, soil properties and crop management

    University essay from SLU/Dept. of Soil and Environment

    Author : Liliana Marcela Daza Gomez; [2023]
    Keywords : nitrogen.; calcium nitrate; ammonium-based fertilizers; urea; nitrate leaching; nitrous oxide emissions; crop yield;

    Abstract : Application of nitrogen fertilizers in agriculture contributes substantially to global greenhouse gas emissions and nitrogen leaching. Accordingly, there is a need to increase knowledge about sustainable farming practices to reduce nitrogen losses to the environment without curtailing crop harvest. READ MORE

  3. 2. Kretslopp från avlopp : enterokocker som indikatororganismer och bärare av Vankomycinresistens

    University essay from SLU/Department of Molecular Sciences

    Author : Maja Berglind; [2023]
    Keywords : Enterococcus; enterokocker; urea; E. faecalis; E. faecium; hygienisering; ureahygienisering; ammoniak; svartvatten; klosettvatten; klosettavloppsvatten; avloppsvatten; antibiotikaresistens; Vankomycin; Vancomycin; CHROMagar; Slanetz-Bartley agar; indikatororganism;

    Abstract : Tillförsel av växtnäring på åkermark är nödvändig för matproduktionen. En återförsel av mänskliga fekalier och urin via källsorterat toalettavfall (klosettavloppsvatten) ökar cirkulationen av näring, bidrar till förbättrad jordhälsa och minskar risken för övergödning i vattendrag. READ MORE

  4. 3. 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

  5. 4. The potential of innovative dry source-separating urban sanitation technologies in Montero, Bolivia : A sustainability assessment

    University essay from Uppsala universitet/Institutionen för geovetenskaper

    Author : Ylva Geber; [2020]
    Keywords : Montero; UDDT; nutrient recycling; sanitation; sustainability; multiple criteria; health; resource use; environmental; technical; organizational; financial; fertilizer; Montero; UDDT; näringsåtervinning; sanitet; hållbarhet; multipla kriterier; hälsa; resursanvändning; miljö; tekniskt; organisatorisk; finansiellt; gödselmedel;

    Abstract : Montero is one of the cities with the highest population growth inthe lowlands of Bolivia. According to Montero's municipal plan for water and sanitation, only 36 % of the population in the urban areas of Montero is connected to the sewage system. READ MORE

  6. 5. Analysis of Negative Emission Ammonia Fertilizer (urea) Process

    University essay from KTH/Energiprocesser

    Author : Lucio Rodrigo Alejo Vargas; [2020]
    Keywords : Negative emissions; ammonia fertilizer; CO2 capture; process modelling and simulation; biogas; Negativa utsläpp; ammoniak gödsel; CO2-avskiljning; processmodellering och simulering; biogas;

    Abstract : As the world population keeps increasing, ammonia-based fertilizers like urea are essential to provide food security. However, the current fertilizer industry is based on fossil fuel feedstock (mainly natural gas), making the production process CO2 emission-intensive. READ MORE