The LTAR Network

The Long-Term Agroecosystem Research (LTAR) Network is a new network developing national strategies for the sustainable intensification of agricultural production.

LTAR is a partnership among 18 premier long-term research sites across the United States.

The LTAR network has a multifaceted focus on satisfying increasing demand for agricultural commodities, protecting the quality of the environment, and enhancing the quality of life in rural areas and the Nation as a whole




LTAR Tweets ( @USLTAR )

Tomorrow 1/24 in Sidney, MT: Dr. Clemensen presents "Phytochemical links between healthy soil, plants, animals, and humans" to kick off the NPARL's 2020 BrownBagger Speaker Series!

For committed & curious #AGU2019 attendees, demonstrate your intellectual stamina today @4p for B54B session (MW 3001) - Data integration across platforms×scales org. by @mallory_barnes @amyhud7 At 4:15 I share insights from @USLTAR #phenology synthesis w/other great speakers!

By 2050, the world’s population is expected to grow to more than 9 billion people, posing a critical challenge to #ag worldwide. To help meet these challenges, the ARS created the Long-term Agroecosystem Research (LTAR) network. #USLTAR #sustainable

Our spatially balanced sample design Shiny app is live! Tip of the hat and then some to @NelsonStauffer whose perseverance over the past 3 years produced a tool that land managers can design their probabilistic surveys based on the #rstats spsurvey 📦

Newest #LTAR working group on Human Dimensions providing update. Thanks to ⁦@USDA_ARS⁩ scientist David Archer #TriSocieties

Our paper describing indicators and benchmarks of wind erosion is out! We used ecological sites and rangeland monitoring data to identify dust flux indicators and benchmarks for use by managers. @TheJornada

#Podcast Interview: Northern Plains #USDAClimateHub director Dannele Peck talks about the GRASSCAST, a forage projection tool, on the latest episode of the Southern Plains Podcast, hosted by Clay Pope.

Collecting post-harvest soil water samples in our LTAR Common Experiment. A nice stand of intercropped turnips (and a legitimate tripping hazard!). #LTAR


We are delighted to announce that the Data Descriptor of the #PhenoCam Dataset V2.0 is published in @ScientificData.

- Three times more #phenology data than the last release.

- There are PhenoCams in all global vegetation biomes.

Check it out:

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