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National Program 211: Water Availability and Watershed Management
Long-Term Agroecosystem Research (LTAR) Network
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LTAR Website
For more information about the LTAR Network, please visit the current LTAR website:

The Long-Term Agroecosystem Research (LTAR) Network
As the 21st century unfolds, agriculture will face a series of challenges - in the United States and globally - in providing sufficient food, fiber, and fuel to support a growing global population while our natural resources, environmental health, and available arable land decline and climate changes.  Click here to read the full version of this Abstract.


Food for the future: Understanding and enhancing the sustainability of agriculture


A network developing national strategies for the sustainable intensification of agriculture production

LTAR’s 18 Research Site