Rye - Alternative Field Crops Manual http://www.hort.purdue.edu/newcrop/afcm/rye.html Alternative Field Crops Manual http://www.hort.purdue.edu/newcrop/afcm/rye.html http://www.hort.purdue.edu/newcrop/afcm/rye.html Alternative Field Crops Manual Purdue University; Centeno; E.A. Oelke, et al