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Andreas Kreuzeder

Modelling Phosphorus Flows in Soils

• Buch (Gebunden) • Masterarbeit • Englisch • Softcover (Paperback) • 21,0 x 14,8 cm (DIN A5) • 102 Seiten • Neu (eingschweißt in Folie)
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  • 9783941274853
  • 978-3-941274-85-3
The outstanding importance of phosphorus (P) in all living cells makes it an essential nutrient.... mehr

The outstanding importance of phosphorus (P) in all living cells makes it an essential nutrient. Its pivotal use as a fertilizer and the finiteness as a natural resource lead to a new episode of historic importance: A possible upcoming phosphate crisis. In this book an overview on the role of phosphorus as a nutrient and as a fertilizer as well as the underlying soil dynamics is given. The flows of phosphorus in Austria are shown by using the method of material flow analysis (MFA). Furthermore, a 'System Dynamics P-Model' was developed to outline the characteristics of phosphorus and its use in soils. This model considers the complex interactions and processes in soils. It shows the influence of soil properties, the effects of fertilizer use and crop uptake, and their dynamic interrelations.

Titel: Modelling Phosphorus Flows in Soils
Autor: Andreas Kreuzeder
Erschienen: 1. Aufl. 08.08.2011
Fachbereich: Chemie
Produkttyp: Buch (Gebunden)
Produktart: Masterarbeit
Sprache: Englisch
Einband: Softcover (Paperback)
Maße: 21,0 x 14,8 cm (DIN A5)
Umfang: 102 Seiten
Zustand: Neu (eingschweißt in Folie)
Keywords: Eutrophication, Fertilizer, Inorganic Phosphorus, Material Flow Analysis, Methodical Approach, Modelling, Nutrient Model, Organic Phosphorus, Orthophosphate Esters, Phosphorus, Phosphorus as a resource, Phosphorus as Fertilizer, Phosphorus Chemistry, Phosphorus Crisis, Phosphorus Flows in Austria, Phosphorus Fractionation, Phosphorus in Plants, Phosphorus in Society, Phosphorus Model, Phosphorus Recycling, Redox Effects, Simulation, Soil Dynamics, Soil Phosphorus Cycle, Soils, Soil Solution Phosphorus, System Dynamics
Details "Modelling Phosphorus Flows in Soils"
Titel: Modelling Phosphorus Flows in Soils
Autor: Andreas Kreuzeder
Erschienen: 1. Aufl. 08.08.2011
Fachbereich: Chemie
Produkttyp: Buch (Gebunden)
Produktart: Masterarbeit
Sprache: Englisch
Einband: Softcover (Paperback)
Maße: 21,0 x 14,8 cm (DIN A5)
Umfang: 102 Seiten
Zustand: Neu (eingschweißt in Folie)
Keywords: Eutrophication, Fertilizer, Inorganic Phosphorus, Material Flow Analysis, Methodical Approach, Modelling, Nutrient Model, Organic Phosphorus, Orthophosphate Esters, Phosphorus, Phosphorus as a resource, Phosphorus as Fertilizer, Phosphorus Chemistry, Phosphorus Crisis, Phosphorus Flows in Austria, Phosphorus Fractionation, Phosphorus in Plants, Phosphorus in Society, Phosphorus Model, Phosphorus Recycling, Redox Effects, Simulation, Soil Dynamics, Soil Phosphorus Cycle, Soils, Soil Solution Phosphorus, System Dynamics
Ob als Energielieferant in unserem Körper oder wichtiges Düngemittel in der Landwirtschaft, die... mehr

Ob als Energielieferant in unserem Körper oder wichtiges Düngemittel in der Landwirtschaft, die Bedeutung von Phosphor für unser tägliches Leben ist enorm. Doch handelt es sich bei dem wichtigen Nährstoff keineswegs um eine erneuerbare Ressource: Die globalen Vorkommen von Phosphor sind limitiert und auf wenige Länder beschränkt. Durch den jährlich steigenden Bedarf für die Landwirtschaft und den derzeit verschwenderischen Einsatz des Nährstoffes gehen die globalen Reserven immer weiter zur Neige. Erste Prognosen von Experten zeigen, dass der Abbau von Phosphor schon in 50 Jahren stagnieren könnte. Durch den Verlust des wichtigen Mineraldüngers würde die Lebensmittelversorgung weltweit zusammenbrechen, Ressourcenkriege und verheerende Hungersnöte wären die Folge. Dieses erschreckende Szenario hat der österreichische Umweltforscher Andreas Kreuzeder zum Anlass genommen, seine Masterarbeit der Analyse von Phosphorflüssen in den Erdschichten seines Heimatlandes zu widmen. Neben dem Vergleich von Daten aus den Jahren 2008 und 2001 stehen dabei vor allem die Untersuchung der Bodenverhältnisse sowie die Effekte von Düngeranwendung und Pflanzenaufnahme im Vordergrund. Dem Autor gelingt es auf diese Weise ein Bild von der Lage Österreichs zu zeichnen, das angesichts der zukünftigen Phosphorverknappung höchste Relevanz besitzt. Eine faszinierende Arbeit, die sich jedoch vor allem an Fachpublikum richtet.

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