Essays about: "Petter Walan"

Found 1 essay containing the words Petter Walan.

  1. 1. Modeling of Peak Phosphorus : A Study of Bottlenecks and Implications for Future Production

    University essay from Globala energisystem

    Author : Petter Walan; [2013]
    Keywords : Phosphate rock; Peak Phosphorus; Reserves; Production; Curve fitting;

    Abstract : Today's modern agriculture is totally dependent on phosphorus to sustain their large yields. Several studies have recently expressed a concern for a future phosphorus deficiency. These studies are based on data for estimated reserves which have been increased with more than a fourfold since 2010. READ MORE