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Showing result 1 - 5 of 20 essays matching the above criteria.

1. 1. 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. 2. Modelling organic farming systems : is livestock needed for a functioning nitrogen cycle and food production?

   University essay from SLU/Dept. of Energy and Technology

   Author : Franziska Johanna Galler; [2023]
   Keywords : organic farming; livestock; stockless farming; nitrogen cycle; nitrogen use efficiency; nitrogen recycling; nutritional value; human nutrition; food system;

   Abstract : Livestock has always been an integral part of nutrient management on organic farms. Environmental, economic and idieological trends are leading to an increasing specialization of agriculture away from mixed farms with livestock. READ MORE

4. 3. Towards low carbon buildings: A case study in Sweden

   University essay from Lunds universitet/Avdelningen för Energi och byggnadsdesign; Lunds universitet/Institutionen för arkitektur och byggd miljö

   Author : Huynh Tuan Tran; Victor-Antoine Delorme; [2023]
   Keywords : Life cycle assessment; Environmental impact of building materials; Carbon neutrality; Biobased material; Biochar; Cross Laminated Timber; Biogenic carbon; Earth and Environmental Sciences; Technology and Engineering;

   Abstract : This study comprehensively evaluated the global warming potential of an office building in a newly built Scandinavian neighbourhood seeking to reach sustainability. The primary objective of the research was to support the city authorities of Helsingborg by providing valuable insights into actual carbon emissions at the building level and proposing measures to minimize these emissions to achieve climate neutrality by 2030. READ MORE

5. 4. Stadens biologiska mångfald : ett urbant grönområdes ekosystempåverkan ur ett livscykelperspektiv

   University essay from SLU/Dept. of Energy and Technology

   Author : Linnéa Sigvardsson; Molly Lind Mayer; [2022]
   Keywords : Livscykelanalys LCA ; biologisk mångfald; grönområde; urbana grönområden;

   Abstract : Gröna stadsområden utgör en ekonomisk och social samlingspunkt. Fragmentering av grönområden är ett av de största hoten mot biologisk mångfald. Nästan 60% av alla grönområden i Sverige består av klippta gräsmattor som inte kan nyttjas av många arter. READ MORE

6. 5. Screening of early root growth characteristics in seedlings of Nordic spring barley : utilization of hydroponics and GWAS for identification of QTLs and candidate genes for root traits

   University essay from SLU/Dept. Of Plant Breeding

   Author : Karl-Johan Fabo; [2021]
   Keywords : spring barley; plant breeding; root growth; early vigor; seminor roots; GWAS; QTL; quantitative traits; quantitative genetics; marker-assisted breeding; hydroponics;

   Abstract : In the Nordic countries, the cultivation of barley (Hordeum vulgare L.) has a long history, and as one of the major cereals in the world, barley is of global importance for food security. The world population is growing, which naturally will increase demands for agricultural outputs. READ MORE