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Browsing Háskóli Íslands by Subject "Áburður"

Browsing Háskóli Íslands by Subject "Áburður"

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    Global phosphorus supply chain dynamics: Assessing regional impact to 2050 
    Nedelciu, Claudiu; Ragnarsdottir, Kristin Vala; Schlyter, Peter; Stjernquist, Ingrid (Elsevier BV, 2020-09)
    Phosphorus (P) availability is essential for global food security. A system dynamics model running from 1961 to 2050 was built for this study, linking global P supply to social, economic and environmental dynamics at regional level. Simulation results ...
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    Global Phosphorus supply chain dynamics: Sustainability implications for the 21st century 
    Nedelciu, Claudiu (University of Iceland, School of Engineering and Natural Sciences, Faculty of Earth Sciences, 2021-02)
    Phosphorus is an essential yet irreplaceable macronutrient for agriculture and thus plays a key role in global food security. Most of the phosphate fertilizers are produced from phosphate rock, a finite mineral resource that is mined and processed at ...