Pin oaks, birches, and certain maples are prone to a problem called iron chlorosis. Iron chlorosis is a condition caused by the inability of certain trees to uptake iron when soil PH is too high. It shows in the foliage where the leaves of the tree are pale yellow with veins that are a darker green. If not treated the tree will be stunted and decline over time.
There are typically two ways to remedy this situation. The first is to treat the soil with a product that contains sulfur and iron. The sulfur lowers the PH of the soil then the iron is available for use by the tree. The other method involves drilling holes into the tree and inserting iron implant capsules. By putting iron directly into the tree you bypass the problem of high PH soils. Call us to discuss which method is right for your tree. 316-686-7491