By 2050, the world’s population is expected to grow to more than 9 billion people, posing a critical challenge to agriculture in the United States and globally to provide enough food, feed, fiber, and fuel to sustain us.

To provide the data to help meet these challenges, the Agricultural Research Service (ARS) created the Long-term Agroecosystem Research (LTAR) network in 2011. LTAR research takes a long-term perspective and provides a greater understanding of the complexity of agroecosystem landscapes.

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