<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:x="urn:schemas-microsoft-com:office:excel" xmlns:p="urn:schemas-microsoft-com:office:powerpoint" xmlns:a="urn:schemas-microsoft-com:office:access" xmlns:dt="uuid:C2F41010-65B3-11d1-A29F-00AA00C14882" xmlns:s="uuid:BDC6E3F0-6DA3-11d1-A2A3-00AA00C14882" xmlns:rs="urn:schemas-microsoft-com:rowset" xmlns:z="#RowsetSchema" xmlns:b="urn:schemas-microsoft-com:office:publisher" xmlns:ss="urn:schemas-microsoft-com:office:spreadsheet" xmlns:c="urn:schemas-microsoft-com:office:component:spreadsheet" xmlns:odc="urn:schemas-microsoft-com:office:odc" xmlns:oa="urn:schemas-microsoft-com:office:activation" xmlns:html="http://www.w3.org/TR/REC-html40" xmlns:q="http://schemas.xmlsoap.org/soap/envelope/" xmlns:rtc="http://microsoft.com/officenet/conferencing" xmlns:D="DAV:" xmlns:Repl="http://schemas.microsoft.com/repl/" xmlns:mt="http://schemas.microsoft.com/sharepoint/soap/meetings/" xmlns:x2="http://schemas.microsoft.com/office/excel/2003/xml" xmlns:ppda="http://www.passport.com/NameSpace.xsd" xmlns:ois="http://schemas.microsoft.com/sharepoint/soap/ois/" xmlns:dir="http://schemas.microsoft.com/sharepoint/soap/directory/" xmlns:ds="http://www.w3.org/2000/09/xmldsig#" xmlns:dsp="http://schemas.microsoft.com/sharepoint/dsp" xmlns:udc="http://schemas.microsoft.com/data/udc" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:sub="http://schemas.microsoft.com/sharepoint/soap/2002/1/alerts/" xmlns:ec="http://www.w3.org/2001/04/xmlenc#" xmlns:sp="http://schemas.microsoft.com/sharepoint/" xmlns:sps="http://schemas.microsoft.com/sharepoint/soap/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:udcs="http://schemas.microsoft.com/data/udc/soap" xmlns:udcxf="http://schemas.microsoft.com/data/udc/xmlfile" xmlns:udcp2p="http://schemas.microsoft.com/data/udc/parttopart" xmlns:wf="http://schemas.microsoft.com/sharepoint/soap/workflow/" xmlns:dsss="http://schemas.microsoft.com/office/2006/digsig-setup" xmlns:dssi="http://schemas.microsoft.com/office/2006/digsig" xmlns:mdssi="http://schemas.openxmlformats.org/package/2006/digital-signature" xmlns:mver="http://schemas.openxmlformats.org/markup-compatibility/2006" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns:mrels="http://schemas.openxmlformats.org/package/2006/relationships" xmlns:spwp="http://microsoft.com/sharepoint/webpartpages" xmlns:ex12t="http://schemas.microsoft.com/exchange/services/2006/types" xmlns:ex12m="http://schemas.microsoft.com/exchange/services/2006/messages" xmlns:pptsl="http://schemas.microsoft.com/sharepoint/soap/SlideLibrary/" xmlns:spsl="http://microsoft.com/webservices/SharePointPortalServer/PublishedLinksService" xmlns:Z="urn:schemas-microsoft-com:" xmlns:st="" xmlns="http://www.w3.org/TR/REC-html40"><head><meta http-equiv=Content-Type content="text/html; charset=utf-8"><meta name=Generator content="Microsoft Word 12 (filtered medium)"><!--[if !mso]><style>v\:* {behavior:url(#default#VML);}
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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Nice quote<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> canufnet-bounces@list.web.net [mailto:canufnet-bounces@list.web.net] <b>On Behalf Of </b>Dave Evans<br><b>Sent:</b> Thursday, March 31, 2011 9:10 AM<br><b>To:</b> Canadian Urban Forest Network<br><b>Cc:</b> canufnet-bounces@list.web.net<br><b>Subject:</b> Re: [CANUFNET] To Mulch or Not To Mulch<o:p></o:p></span></p></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>As foresters and arborists , I can't believe that we have to defend our use of mulch , it's basic science . I once read a saying by George Bernard Shaw - " The greatest problem in communication is the illusion that it has been accomplished ." </span><br><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'><br>David W Evans<br>Senior Municipal Arborist<br>City of St. John's , Public Works & Parks<br>Parks Services Division<br>(709) 576-8468</span> <br><br><br><br><span style='font-size:7.5pt;font-family:"Arial","sans-serif";color:#5F5F5F'>From: </span><span style='font-size:7.5pt;font-family:"Arial","sans-serif"'>"Stephen Smith" <ufora@idirect.com></span> <br><span style='font-size:7.5pt;font-family:"Arial","sans-serif";color:#5F5F5F'>To: </span><span style='font-size:7.5pt;font-family:"Arial","sans-serif"'>"Canadian Urban Forest Network" <canufnet@list.web.net></span> <br><span style='font-size:7.5pt;font-family:"Arial","sans-serif";color:#5F5F5F'>Date: </span><span style='font-size:7.5pt;font-family:"Arial","sans-serif"'>2011/03/31 12:51 PM</span> <br><span style='font-size:7.5pt;font-family:"Arial","sans-serif";color:#5F5F5F'>Subject: </span><span style='font-size:7.5pt;font-family:"Arial","sans-serif"'>Re: [CANUFNET] To Mulch or Not To Mulch</span> <br><span style='font-size:7.5pt;font-family:"Arial","sans-serif";color:#5F5F5F'>Sent by: </span><span style='font-size:7.5pt;font-family:"Arial","sans-serif"'>canufnet-bounces@list.web.net</span> <o:p></o:p></p><div class=MsoNormal align=center style='text-align:center'><hr size=2 width="100%" noshade style='color:#ACA899' align=center></div><p class=MsoNormal><br><br><br><span style='font-family:"Calibri","sans-serif"'>We mulch heavily when we can. It keeps the weeds down and moisture in. The only drawback is on wet sites that become wetter with a blanket on them. Have a look at the attached doc from one of our projects. The goal was to improve the soil by mulching heavily and letting it rot in an old field with hard clay soil. All we did was put mulch down and wait 2 years.</span> <br><span style='font-family:"Calibri","sans-serif"'> </span> <br><span style='font-family:"Calibri","sans-serif"'>Stephen Smith</span> <br><span style='font-family:"Calibri","sans-serif"'>Urban Forest Associates Inc.</span> <br><a href="http://www.ufora.ca/"><span style='font-family:"Calibri","sans-serif"'>www.ufora.ca</span></a> <br><span style='font-size:10.0pt;font-family:"Calibri","sans-serif"'> </span> <br><b><span style='font-size:10.0pt;font-family:"Calibri","sans-serif"'>From:</span></b><span style='font-size:10.0pt;font-family:"Calibri","sans-serif"'> </span><a href="mailto:pwassenaer1022@rogers.com"><span style='font-size:10.0pt;font-family:"Calibri","sans-serif"'>Philip van Wassenaer</span></a><span style='font-size:10.0pt;font-family:"Calibri","sans-serif"'> </span><br><b><span style='font-size:10.0pt;font-family:"Calibri","sans-serif"'>Sent:</span></b><span style='font-size:10.0pt;font-family:"Calibri","sans-serif"'> Thursday, March 31, 2011 9:47 AM</span> <br><b><span style='font-size:10.0pt;font-family:"Calibri","sans-serif"'>To:</span></b><span style='font-size:10.0pt;font-family:"Calibri","sans-serif"'> </span><a href="mailto:canufnet@list.web.net"><span style='font-size:10.0pt;font-family:"Calibri","sans-serif"'>'Canadian Urban Forest Network'</span></a><span style='font-size:10.0pt;font-family:"Calibri","sans-serif"'> </span><br><b><span style='font-size:10.0pt;font-family:"Calibri","sans-serif"'>Subject:</span></b><span style='font-size:10.0pt;font-family:"Calibri","sans-serif"'> Re: [CANUFNET] To Mulch or Not To Mulch</span> <br><span style='font-size:10.0pt;font-family:"Calibri","sans-serif"'> </span> <br><span style='font-size:10.0pt;font-family:"Calibri","sans-serif";color:#004080'>I agree that the organics are very important as well protecting the fine new roots we need to encourage.</span> <br> <br><span style='font-size:10.0pt;font-family:"Calibri","sans-serif";color:#004080'>Mulch is good. Bad mulching practices are bad!</span> <br> <br> <br><b><span style='font-size:10.0pt;font-family:"Calibri","sans-serif";color:#004080'>Philip van Wassenaer, B.SC., MFC</span></b> <br><span style='font-size:10.0pt;font-family:"Calibri","sans-serif";color:#004080'>1248 Minnewaska Trail</span> <br><span style='font-size:10.0pt;font-family:"Calibri","sans-serif";color:#004080'>Mississauga, Ontario</span> <br><span style='font-size:10.0pt;font-family:"Calibri","sans-serif";color:#004080'>Canada, L5G 3S5</span> <br><span style='font-size:10.0pt;font-family:"Calibri","sans-serif";color:#004080'>Tel: (905) 274-1022</span> <br><span style='font-size:10.0pt;font-family:"Calibri","sans-serif";color:#004080'>Cell: (647) 221 3046</span> <br><span style='font-size:10.0pt;font-family:"Calibri","sans-serif";color:#004080'>Fax: (905) 274 2170</span> <br><img border=0 width=158 height=84 id="_x0000_i1026" src="cid:image001.jpg@01CBF2C7.98419680" alt="UFI logo extra space.JPG"><br> <br><a href="http://www.urbanforestinnovations.com/"><span style='font-size:10.0pt;font-family:"Calibri","sans-serif"'>www.urbanforestinnovations.com</span></a> <br> <br> <br> <br> <br><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> canufnet-bounces@list.web.net [</span><a href="mailto:canufnet-bounces@list.web.net"><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>mailto:canufnet-bounces@list.web.net</span></a><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>] <b>On Behalf Of </b>Jack Radecki<b><br>Sent:</b> Wednesday, March 30, 2011 5:29 PM<b><br>To:</b> 'Canadian Urban Forest Network'<b><br>Subject:</b> Re: [CANUFNET] To Mulch or Not To Mulch</span> <br> <br><span style='font-size:10.0pt;font-family:"Calibri","sans-serif";color:#004080'>These new findings contradict my 35 years of experience in the field and monitoring tree growth throughout. Perhaps they are talking about mulch volcanoes or excess mulch over the root zone. I have only seen the benefits and the proof is the resuts that I have seen over many years. </span><br><span style='font-size:10.0pt;font-family:"Calibri","sans-serif";color:#004080'>Ask yourself the questions about how organic matter is replenished in a forest? Trees "feed" themselves from their own litter. Without the mulch you put the tree into an inorganic, inert world and prone to the many problems that we are aware of, drought obviously is the main killer of young trees.</span> <br> <br><span style='font-size:10.0pt;font-family:"Calibri","sans-serif";color:#004080'>Jack Radecki Registered Consulting Arborist 342</span> <br> <br> <br><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> canufnet-bounces@list.web.net [</span><a href="mailto:canufnet-bounces@list.web.net"><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>mailto:canufnet-bounces@list.web.net</span></a><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>] <b>On Behalf Of </b>terri smith<b><br>Sent:</b> March-30-11 12:49 PM<b><br>To:</b> Canufnet Canufnet<b><br>Subject:</b> [CANUFNET] To Mulch or Not To Mulch</span> <br> <br><span style='font-family:"Calibri","sans-serif"'>I would like to know if there are any municipalities that have stopped applying mulch on newly planted boulevard trees. Current research indicates that mulch should not be placed over the root ball because it causes roots to grow up into the mulch area, it also causes roots to remain within the root ball area instead of growing out laterally, and it actually prevents the water from penetrating deep into the soil. Dr. Ed Gilman and Dr. Hannah Mathers both agree that no more than 2 – 2.5 inches of mulch should be applied outside of the root ball area (if mulch is still going to be applied) and both are in agreement that mulch provides no benefit to the tree. At 2 inches of mulch there is little to no weed suppression.</span> <br> <br><span style='font-family:"Calibri","sans-serif"'>These new findings contradict our current mulching practices and have created much debate within our department. I would like to hear from other municipalities that have either discontinued mulching or have never mulched their blvd trees. Is there a need to increase the amount or frequency of watering?</span> <br> <br><span style='font-family:"Calibri","sans-serif"'>Terri Smith</span> <br><span style='font-family:"Calibri","sans-serif"'>Urban Forestry</span> <br><span style='font-family:"Calibri","sans-serif"'>City of Saskatoon[attachment "Soil comparisons at Taylor Creek Park.doc" deleted by Dave Evans/CSJ] </span><o:p></o:p></p></div></body></html>