Mayer, Enrique2007-11-121979-04-012007-11-121979http://hdl.handle.net/10625/5330http://pdf.usaid.gov/pdf_docs/PNAAJ063.pdfIncludes map in back pocketDiscusses the natural conditions and delineation of agrolife zones and offers insights into the evolution and contemporary structure of Mantaro communities. Includes bibliographic references.Text1 digital file (115 p. : ill.)application/pdfenLAND USEPOTATOESFARMING SYSTEMSPERUMAPPINGCOMMERCIAL FARMINGSUBSISTENCE FARMINGSOCIAL ASPECTSMAPSPLANT ECOLOGYLand use in the Andes : ecology and agriculture in the Mantaro Valley of Peru with special reference to potatoesWorking Paper