The following information is a Web Extra from the pages of Farm Journal. It corresponds with the article “Spotlight on Fertility” by Darrell Smith. You can find the article in the October 2009 issue.
Two papers by University of Illinois soil fertility specialist Fabian Fernandez are available on the Internet:
A discussion of manganese research at Purdue University, by Extension cropping systems specialist Tony Vyn and others
K-MAG fertilizer
