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Cabling - -- This means structurally securing limbs, trunks, or scaffolds to <br /> other tree members for the purpose of stabilizing, holding together, and <br /> decreasing the potential for structural failure of the tree. On this project, we <br /> suggest the use of Cobra system cabling, (the most installed cabling system <br /> in Europe), because it is adjustable over time and can be reused. <br /> Pruning - -- For these trees, pruning consists of reducing the tip loading (end <br /> weight) of potentially hazardous lateral scaffolding and branches, which <br /> might also affect the structural stability and integrity of the trunk. Pruning is <br /> also used for the reduction of windsail and weight. <br /> Shaping & Balancing - -- This technique balances the structure of the tree <br /> through correct pruning techniques by bringing the center of gravity of the <br /> tree closer to its center and shaping the tree so it would not look like a <br /> wishbone. We recommend allowing the sprouts, epicormic shoots (suckers) <br /> to grow within reason, and not stripping them from the keeper trees from <br /> now on. Within reason, leave all branches that grow parallel to the road <br /> (that were unnecessarily removed in the past), to allow more natural shapes <br /> to form. <br /> Crown reduction (recentralization) - -- This allows the branches, <br /> epicormic shoots, and sprouts to grow and photosynthesize within the central <br /> area of the tree. Allowing the center of the tree to be filled and green up, <br /> and simultaneously reducing the tip loads, forces the overextended tree <br /> inwards. Restricting the crown or tree canopy toward the center, reduces the <br /> length of the branches, reduces weight and windsail hazards, increasing its <br /> retention chances for a longer period of time. <br /> Aphids - -- In case the aphid infestation we found on many of the trees <br /> becomes a problem, and considering the environmental sensitivity of the <br /> neighborhood, we propose the following treatments: pressure washing with <br /> plain water and/or insecticidal soaps, and/or the manual release of <br /> predacious insects, e.g. lady bugs. <br /> Nutrient Health Improvement Measures: <br /> Tree Roots: - -- On the keeper trees, we recommend the application of <br /> mulch, the time- release nutrient NPK, beneficial mycorrhizal fungus spores, <br /> and humic acid injections into the soil. <br /> 9 <br />