Julio Alegre (IMAGE) University of Oklahoma Caption Julio Alegre, Ph.D., a professor at the Universidad Nacional Agraria La Molina and the Peruvian coordinator of the soils and crops team demonstrates a soil analysis kit during the PERU-Hub launch event in Tarapoto, Peru May 3-6, 2022. Credit Image provided by the Institute for Environmental and Energy Systems at the University of Oklahoma. Usage Restrictions with credit License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.