. A shade tree guide. Trees. STREET TREES. 9 How to keep trees healthy. Any tree will resist insects and dis- ease, and will recover from injury much more readily if it is vig- orous and healthy than if it is weak. Observe the following rules: Never let a sidewalk be laid closely about a tree; a surface of bare earth (footing) at least 2 by 3 feet, preferably 4 by 8 feet, should be kept (figs. 2, 3, 5); when a tree is fully established this may be grassed over, tho it is advisable to keep it open. Once a year work a little fertilizer into this open space and water it at intervals as di- rected
. A shade tree guide. Trees. STREET TREES. 9 How to keep trees healthy. Any tree will resist insects and dis- ease, and will recover from injury much more readily if it is vig- orous and healthy than if it is weak. Observe the following rules: Never let a sidewalk be laid closely about a tree; a surface of bare earth (footing) at least 2 by 3 feet, preferably 4 by 8 feet, should be kept (figs. 2, 3, 5); when a tree is fully established this may be grassed over, tho it is advisable to keep it open. Once a year work a little fertilizer into this open space and water it at intervals as di- rected at page Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original New Jersey. Dept. of Conservation and Development; Gaskill, Alfred. Union Hill, N. J. , Hudson Printing Co.
Size: 1058px × 2361px
Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1910, booksubjecttrees, bookyear1918
