Correcting chlorosis is time consuming, expensive
By Jo Ellen Meyers Sharp, on June 15th, 2008 
This was posted originally at Indiana Living Green in June, 2008.
Red maple chlorosis. Photo courtesy Purdue University
Last fall, a tree company removed my 15-foot tall red maple that had been in the ground 12 years, yet failed to thrive. It was tough losing the tree because it was planted to commemorate a special event.
However, each spring more and more leaves unfurled chartreuse with deep green veins, a condition called chlorosis. The chlorosis started in one section and continued to spread, affecting three-fourths of the tree’s foliage at the time it was taken down.
Read the rest of this article here http://hoosiergardener.com/?p=680 and http://tinyurl.com/nvfezz