http://www.treesforyou.org/Planting/.../chlorosis.htm
Lists trees but it's the same for plants in general.
"Hal" wrote in message
...
On Fri, 11 Jul 2003 10:23:25 -0400, "Sam Hopkins"
wrote:
Yellow plants mean no iron in the water.
I believe yellowing pond plants can be caused by a lack of several
things, potash, magnesium, nitrogen to name the ones I'm familiar
with. Never benefitted from adding iron to the pond.
Regards,
Hal