Part 3

Contribution from the Bureau of Plant Industry

WM. A. TAYLOR, Chief

Washington, D. C. [Illustration] January 19, 1920

=STREET TREES.=

By F. L. Mulford, Horticulturist, Office of Horticultural and Pomological Investigations.

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CONTENTS

Page

Importance of Shade Trees 1

Public Control of Street Trees 6

Planning for Trees on City Streets 8

Spacing Trees 9

Conditions for Tree Growth 10

Kinds of Trees Suitable for City Streets 14

Qualities Necessary 14

Trees for Different Regions 16

Trees for Special Purposes 20

Descriptions of Street Trees 20

Culture of Street Trees 43

Selection of Individual Trees 43

Preparation of Holes 44

Planting 45

Pruning 50

Stakes and Guards 51

Later Care 52

Care of Mature Trees 53

Pruning 53

Feeding 55