"Donna Maroni" wrote in message
news:Pine.LNX.4.63+UNC.0706091112020.23226@login03 .its.unc.edu...

See this article:

http://findarticles.com/p/articles/m...90/ai_13808731

A great way to help cure this is Ferromec

http://www.pbigordon.com/professional/page.php?id=284

Based on local soil conditions I very much doubt that the soil is iron
poor. However, anything is possible.