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Scientists collecting data for agricultural research
Scientists reviewing a map of LTAR (Long-Term Agroecosystem Research) fields and checking a sensor for data on carbon dioxide, water vapor, and energy exchanges between the Earth's surface and the atmosphere. LTAR is a is a network of 18 research sites across the USA dedicated to improving agricultural efficiency whilst minimising harm to the environment. This is in an effort to solve the issue of the increasing food demand for a rapidly increasing population. Photographed at the ARS Henry A. Wallace Beltsville Research Center, Maryland, USA., by Stephen Ausmus, US DEPARTMENT OF AGRICULTURE/SCIENCE PHOTO LIBRARY
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