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Phosphorus Stocks and Flows in an Intensive Livestock Dominated Food System

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Phosphorus Stocks and Flows in an Intensive Livestock Dominated Food System. / Rothwell, Shane; Doody, Donnacha; Johnston, Chris; Forber, Kirsty; Cencic, Oliver; Rechberger, Helmut; Withers, Paul.

In: Resources, Conservation and Recycling, Vol. 163, 105065, 01.12.2020.

Research output: Contribution to journalJournal articlepeer-review

Harvard

Rothwell, S, Doody, D, Johnston, C, Forber, K, Cencic, O, Rechberger, H & Withers, P 2020, 'Phosphorus Stocks and Flows in an Intensive Livestock Dominated Food System', Resources, Conservation and Recycling, vol. 163, 105065. https://doi.org/10.1016/j.resconrec.2020.105065

APA

Rothwell, S., Doody, D., Johnston, C., Forber, K., Cencic, O., Rechberger, H., & Withers, P. (2020). Phosphorus Stocks and Flows in an Intensive Livestock Dominated Food System. Resources, Conservation and Recycling, 163, [105065]. https://doi.org/10.1016/j.resconrec.2020.105065

Vancouver

Rothwell S, Doody D, Johnston C, Forber K, Cencic O, Rechberger H et al. Phosphorus Stocks and Flows in an Intensive Livestock Dominated Food System. Resources, Conservation and Recycling. 2020 Dec 1;163. 105065. https://doi.org/10.1016/j.resconrec.2020.105065

Author

Rothwell, Shane ; Doody, Donnacha ; Johnston, Chris ; Forber, Kirsty ; Cencic, Oliver ; Rechberger, Helmut ; Withers, Paul. / Phosphorus Stocks and Flows in an Intensive Livestock Dominated Food System. In: Resources, Conservation and Recycling. 2020 ; Vol. 163.

Bibtex

@article{daae0cba703c4a4cbea9910165d6e9f7,
title = "Phosphorus Stocks and Flows in an Intensive Livestock Dominated Food System",
abstract = "Current use and management of phosphorus (P) in our food systems is considered unsustainable and considerable improvements in the efficiency of P use are required to mitigate the environmental impact of poor P stewardship. The inherent low P use efficiency of food production from animals means food systems dominated by livestock agriculture can pose unique challenges for improving P management. This paper presents the results of a substance flow analysis for P in the Northern Ireland (NI) food system for the year 2017 as a case study for examining P stewardship in a livestock dominated agricultural system. Imported livestock feed was by far the largest flow of P into the NI food system in 2017 (11,700 t ± 1300 t) and P from livestock excreta the largest internal flow of P (20,400 ± 1900t). The P contained in livestock slurries and manures alone that were returned to agricultural land exceeded total crop and grass P requirement by 20% and were the largest contributor to an annual excess soil P accumulation of 8.5 ± 1.4 kg ha−1. This current livestock driven P surplus also limits the opportunities for P circularity and reuse from other sectors within the food system, e.g. wastewater biosolids and products from food processing waste. Management of livestock P demand (livestock numbers, feed P content) or technological advancements that facilitate the processing and subsequent export of slurries and manures are therefore needed.",
author = "Shane Rothwell and Donnacha Doody and Chris Johnston and Kirsty Forber and Oliver Cencic and Helmut Rechberger and Paul Withers",
year = "2020",
month = dec,
day = "1",
doi = "10.1016/j.resconrec.2020.105065",
language = "English",
volume = "163",
journal = "Resources, Conservation and Recycling",

}

RIS

TY - JOUR

T1 - Phosphorus Stocks and Flows in an Intensive Livestock Dominated Food System

AU - Rothwell, Shane

AU - Doody, Donnacha

AU - Johnston, Chris

AU - Forber, Kirsty

AU - Cencic, Oliver

AU - Rechberger, Helmut

AU - Withers, Paul

PY - 2020/12/1

Y1 - 2020/12/1

N2 - Current use and management of phosphorus (P) in our food systems is considered unsustainable and considerable improvements in the efficiency of P use are required to mitigate the environmental impact of poor P stewardship. The inherent low P use efficiency of food production from animals means food systems dominated by livestock agriculture can pose unique challenges for improving P management. This paper presents the results of a substance flow analysis for P in the Northern Ireland (NI) food system for the year 2017 as a case study for examining P stewardship in a livestock dominated agricultural system. Imported livestock feed was by far the largest flow of P into the NI food system in 2017 (11,700 t ± 1300 t) and P from livestock excreta the largest internal flow of P (20,400 ± 1900t). The P contained in livestock slurries and manures alone that were returned to agricultural land exceeded total crop and grass P requirement by 20% and were the largest contributor to an annual excess soil P accumulation of 8.5 ± 1.4 kg ha−1. This current livestock driven P surplus also limits the opportunities for P circularity and reuse from other sectors within the food system, e.g. wastewater biosolids and products from food processing waste. Management of livestock P demand (livestock numbers, feed P content) or technological advancements that facilitate the processing and subsequent export of slurries and manures are therefore needed.

AB - Current use and management of phosphorus (P) in our food systems is considered unsustainable and considerable improvements in the efficiency of P use are required to mitigate the environmental impact of poor P stewardship. The inherent low P use efficiency of food production from animals means food systems dominated by livestock agriculture can pose unique challenges for improving P management. This paper presents the results of a substance flow analysis for P in the Northern Ireland (NI) food system for the year 2017 as a case study for examining P stewardship in a livestock dominated agricultural system. Imported livestock feed was by far the largest flow of P into the NI food system in 2017 (11,700 t ± 1300 t) and P from livestock excreta the largest internal flow of P (20,400 ± 1900t). The P contained in livestock slurries and manures alone that were returned to agricultural land exceeded total crop and grass P requirement by 20% and were the largest contributor to an annual excess soil P accumulation of 8.5 ± 1.4 kg ha−1. This current livestock driven P surplus also limits the opportunities for P circularity and reuse from other sectors within the food system, e.g. wastewater biosolids and products from food processing waste. Management of livestock P demand (livestock numbers, feed P content) or technological advancements that facilitate the processing and subsequent export of slurries and manures are therefore needed.

U2 - 10.1016/j.resconrec.2020.105065

DO - 10.1016/j.resconrec.2020.105065

M3 - Journal article

VL - 163

JO - Resources, Conservation and Recycling

JF - Resources, Conservation and Recycling

M1 - 105065

ER -