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Manuresheds: Redesigning crop-livestock agriculture for sustainable intensification

Metadata Updated: April 21, 2025

Nutrient recycling is fundamental to sustainable agricultural systems, but few mechanisms exist to ensure that surplus manure nutrients from animal feeding operations are transported for use on nutrient-deficient croplands. As a result, manure nutrients concentrate in locations where they can threaten environmental health and devalue manure as a fertilizer resource. This data set is from a study advances the concept of the “manureshed” – the lands surrounding animal feeding operations onto which manure nutrients can be redistributed to meet environmental, production, and economic goals. Manuresheds can be managed at multiple scales, for example, on farms with both animals and crops, among animal farms and crop farms within a county, or even among animal farms and crop farms in distant counties. With a focus on redistribution among counties, we classified the 3109 counties of the contiguous United States by their capacity to either supply manure phosphorus (P) and nitrogen (N) from confined livestock production (“sources”) or to assimilate and remove excess P and N via crops (“sinks”) [see data for N tonnes, P tonnes, N kg/ha, P kg/ha]. Manure nutrient source counties were identified in 40 of the 48 states, with a substantial concentration in the southern US. Source counties for manure P greatly outnumbered source counties for manure N (390 vs. 100), and 99 of the 100 manure N source counties were also source counties for manure P. Conversely, sink counties for manure N outnumbered sink counties for manure P (2766 vs. 2317). We used the P balances of the source and sink counties to delineate four manuresheds dominated by various combinations of confined hog, poultry, dairy, and beef industries [see data for Manuresheds (tonnes)]. The four manuresheds differed in the transport distances needed to assimilate excess manure P from their respective source areas (from 147 ± 51 km for a beef dominated manureshed to 368 ± 140 km for a poultry dominated manureshed), highlighting the need for systems-level strategies to promote manure nutrient recycling that operate across local, county, regional, and national scales. Resources in this dataset:Resource Title: Agricultural Collaborative Research Outcomes System (AgCROS) and Manureshed link. File Name: manureshed.zipResource Description: AgCROS: https://agcros-usdaars.opendata.arcgis.com/ Manureshed: https://usdaars.maps.arcgis.com/apps/MapSeries/index.html?appid=881305934d62494bbbeeb5f36b735eb9

Access & Use Information

Public: This dataset is intended for public access and use. License: Creative Commons CCZero

Downloads & Resources

Dates

Metadata Created Date March 30, 2024
Metadata Updated Date April 21, 2025
Data Update Frequency irregular

Metadata Source

Harvested from USDA JSON

Additional Metadata

Resource Type Dataset
Metadata Created Date March 30, 2024
Metadata Updated Date April 21, 2025
Publisher Agricultural Research Service
Maintainer
Identifier 10.15482/USDA.ADC/1518435
Data Last Modified 2024-02-13
Public Access Level public
Data Update Frequency irregular
Bureau Code 005:18
Metadata Context https://project-open-data.cio.gov/v1.1/schema/catalog.jsonld
Schema Version https://project-open-data.cio.gov/v1.1/schema
Catalog Describedby https://project-open-data.cio.gov/v1.1/schema/catalog.json
Harvest Object Id a1c6c706-d5fd-4e33-bb21-26851d1d0691
Harvest Source Id d3fafa34-0cb9-48f1-ab1d-5b5fdc783806
Harvest Source Title USDA JSON
License https://creativecommons.org/publicdomain/zero/1.0/
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Program Code 005:040
Source Datajson Identifier True
Source Hash f08148f539890a8201deb3f8b832cab0c767419da4bef93f34291d3d20e7cc59
Source Schema Version 1.1
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Temporal 2012-12-31/2012-12-31

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