Who We Are
The LTAR Network is a growing group of researchers focused on finding solutions that maintain or increase agricultural productivity, environmental quality, and people well-being in spite of pressures such as climate change. Read more
Our Research Approach
The LTAR network combines strategic research projects with common measurements on multiple agroecosystems (croplands, rangelands, and pasturelands) and develops new technologies to address local and national challenges and opportunities.
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Data Access
LTAR scientists are responsible for managing a rich legacy of data spanning over seventy years for many sites. Collectively, it is estimated LTAR manages [200+ terabytes] of data.
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The 18 LTAR Network Sites
The 18 LTAR Network Sites collaborate in coordinated strategic research that leverages a rich legacy of research and data collection. Read more
(Click dots to open LTAR site page)
LTAR Network Tweets ( @USLTAR )
Job Announcement: Research Microbiologist - Research Associate in Mandan, ND https://www.usajobs.gov/job/660894500
Job Announcement: Research Animal Scientist at Food Systems Research Unit, in Burlington, VT https://www.usajobs.gov/job/658420100
Job Announcement: Research Soil Scientist at LCB site https://www.usajobs.gov/job/657884000
KBS LTAR researchers show in new Global Change Biology paper https://doi.org/10.1111/gcb.16267 how land-based climate mitigation that integrates both management and bioenergy solutions can together capture 50% more carbon than either alone https://tinyurl.com/yvb7e5b3 @kbsltar
Thanks to a multi-million dollar partnership between @USDA_NRCS and @USDA_ARS, a team of researchers led by Steven Mirsky will build national web-based cover crop decision tools that inform species selection, seeding rates, economics, and water and nitrogen management.
As part of an @USDA_ARS, @USDA_NRCS interagency partnership, ARS Research Ecologist Steven Mirsky shares the importance of deep soil sampling rigs to ARS’s national LTAR network for tracking how long-term crop and soil management influences soil carbon storage.
A recent study highlights a novel social network approach and perspectives on resolving excess manure challenge across local, regional, and national scales @GwendwrMeredith @UNLSNR @USLTAR @USDA_ARS
Find out more: https://doi.org/10.1002/jeq2.20334
Vials everywhere! Working with student Summer Bjorn on inventorying a decade of plant tissue and #grain samples! @USDA_ARS @USLTAR @cafnr
2021 ARS Discoveries Announcement: Research addressing important agroecosystem problems at 7 LTAR sites was recognized #USLTAR https://ltar.ars.usda.gov/2021/09/24/2021-ars-discoveries-announcement-research-addressing-important-agroecosystem-problems-at-7-ltar-sites-was-recognized/
ABOUT LTAR
The USDA Agricultural Research Service (ARS) Long-Term Agroecosystem Research network consists of 18 Federal and university agricultural research sites with an average of over 50 years of history. The goal of this research network is to ensure sustained crop and livestock production and ecosystem services from agroecosystems, and to forecast and verify the effects of environmental trends, public policies, and emerging technologies.