Survival Strategies for City Trees

Abstract

Most decline and death of urban trees occurs as an end result of the activities of people. People's activities that are detrimental to tree health are known as People-Pressure-Diseases (PPDs). PPD often begins at the time of planting but may occur at any point in the tree's life. Much of the tree mortality in cities, therefore, is predictable and preventable. Tree survival can be greatly increased if the following 4 rules are followed: 1. Do not disturb the root zone under the branches. 2. Maintain moisture balance. 3. Maintain oxygen in the soil 4. Plant healthy trees properly.