Oak (Quercus) and other trees disorder: chlorosis
J. R. Love, Gayle L. Worf, J. G. Iyer, University of Wisconsin--Extension. Cooperative Extension Service
University of Wisconsin--Extension, Cooperative Extension, 1986 - Nature - 4 pages
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18 inches affected alkaline ammonium anthracnose applied iron arborist associated with chlorosis available avoid beneath the crown beneficial branches cause chlorotic trees circle compounds condition county damaged deficiency described previously detergent diagnosis diameter directions diseases disorder dissolve drip line eastern especially Extension office extensive soil ferrous fertilizers fill foliage Green Bay high homeowners injury instance iron chelate iron or manganese iron-containing lawn leaf litter leaf veins leaves low in organic manufacturer Mauget Medicap Messenger method Micronutrient mild mildly nutrients organic matter particularly pH above 7.0 phosphorus Pin oaks plants potassium problem prominent green recommended red maple Refill removed response that season result root series of holes show symptoms sites sizes soil compaction Soil incorporation soil pH soil surface soil test Soil treatments soils low southern spray spring sq ft beneath sulfate sulfuric acid techniques tions tissue trunk injection typically usually water and add white oak Wisconsin yellowing