Tracing deep biogeochemical impacts in the intensively managed desert region of Arequipa, Peru


Darrell G Schulze1, Timothy R Filley2, Henry Gustavo Polanco Cornejo3, Chad T Jafvert4, Daniel Salas5, Diane E Stott6, Javier M Gonzalez7, Erika Foster8, Zachary Scott Brecheisen8, Jino Ramson9, Violeta Romero Garcia10, Juan Andres Lopa Bolivar3, Pablo Raul Ynyachi Aco Cardenas3, Jose Porfirio Caceres3, Martin Soto3 and Karina Neira3, (1)Purdue University, Agronomy Dept., West Lafayette, IN, United States, (2)Purdue University, Earth, Atmospheric, and Planetary Sciences, West Lafayette, IN, United States, (3)Universidad Nacional de San Agustín, Arequipa, Peru, (4)Purdue University, School of Civil Engineering, West Lafayette, IN, United States, (5)Purdue University, School of Engineering Technology, West Lafayette, United States, (6)USDA Natural Resources Conservation Service, West Lafayette, IN, United States, (7)USDA, ARS, National Soil Erosion Research Lab, West Lafayette, IN, United States, (8)Purdue University, West Lafayette, IN, United States, (9)Purdue University, West Lafayette, United States, (10)Universidad Nacional San Augustin, Arequipa, Peru