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')6885 tvv etiiinR Ci tron Damage to Tfecs r Figure { wall at the dripline, The tme should recover nicely. Filling around tees smotin roots. Build a retaining wall at the dripline to keep sail from burying mots within the dripline. It is possible ba completely cover the roots by using expensive d�raimge and venting techniques that require professional design and installatian. It is easier, chewer and more practical to alter grading plans than it is to protect a tree from fil! over the entire root woe. 'go) j Ta. I it ) Iq With proper care, tease moderately affected by construction damage will recover. Homeowners can help treys recover by pzacficing amual free care as outlined in the following: Aerate the soiL Puff out cores of soil 12 to 18 inches deep to aid movement of oxygen and rnoisv= into soil and help combat compaction. FerWma may be plate in the holes. Use compost to bw&fill the holes. New roots quickly RU in the cores. Water deeply. Dining dry *ads, moisten the root zone of stressed trees. Let the water soak in 12 to 18 inches deep by applying a show trickle throughout the spread of the tree's roots. Inspect the try for damage. Stressed u s are more sus ptible to disc and m'seet attack. Check them freAuently to catch pest problems before they become severe. 'fry with a pesticide, if necessary. Prune out any dieback that develops. Much. A 2- to flinch layer of mulch around the base of trees helps prevent soil compaction, reduces weed competition aW conserves soil moisture. Keep the mulch away from the tree trunk to prevemt coflar rot from developing. Fert lim Severely used Uves should not be fertilized until they become re-estabhshed a year or two later. Young rapidly Vows � should 1 ' i antxuaUy- Nlarm #rte may be ferdliwd every hvo or three yes. Using a complete fi r, apply 2 pow ofd nitrogen per thou and square feet. Ferdhzu may spry. over the soil surface or distzibuted among r .on holes punched 12 inches deep every 2 feet mWer the tree's ropy. i -t J1 ClIt"111 F Not all trams �y motive to soil- related construction ury (see Fable ). Some � genera near roots quickly when eons borne unfavorable for the old. roots, This `on occurs p . . y in dies that grow in r'vor bottom flood. p .ns. Trw species nave to upland sites are less likely to a*t to soil grade changes or construction darn Table I Tree tolerance to rood damage, by species,.�_�__ hap* l ifnUrxtmsion. m# ssauri .tdulemptarelagguidcs /horrJgt $$5.htm Page 6 o