domingo, 22 de janeiro de 2012

Jane Mt Pleasant: The Problem with Plows


CornellHorticulture

Maize Production in Western New York from the 17th to 20th Centuries

Jane Mt.Pleasant , Associate Professor, Department of Horticulture, Cornell University presents her research about how Iroquois farmers grew amazing amounts of corn without plowing at a Feb. 28, 2011 Department of Horticulture seminar

Source: http://wn.com/cornell_horticulture