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Watering. Most of the deep-rooted shade trees, such as oaks, sel-dom need watering after they are once established, but it is oftenadvisable to give shade trees a heavy watering in time of drought. Surface sprinkling is not desirable as it encourages surface rootingand seldom does much good. In case it is necessary to water a shadetree the best plan is to throw up a shallow embankment of earth aroundthe tree just outside the spread of the branches if possible, and floodthe enclosed area at intervals not more often than once in five or sixdays. Many trees and shrubs will be much benefited in time ofdrought if their tops are sprinkled at sundown on very hot days. |
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