<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:m="http://schemas.microsoft.com/office/2004/12/omml" 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 14 (filtered medium)"><style><!--
/* Font Definitions */
@font-face
        {font-family:Calibri;
        panose-1:2 15 5 2 2 2 4 3 2 4;}
@font-face
        {font-family:Tahoma;
        panose-1:2 11 6 4 3 5 4 4 2 4;}
@font-face
        {font-family:Verdana;
        panose-1:2 11 6 4 3 5 4 4 2 4;}
@font-face
        {font-family:Consolas;
        panose-1:2 11 6 9 2 2 4 3 2 4;}
/* Style Definitions */
p.MsoNormal, li.MsoNormal, div.MsoNormal
        {margin:0in;
        margin-bottom:.0001pt;
        font-size:12.0pt;
        font-family:"Times New Roman","serif";}
a:link, span.MsoHyperlink
        {mso-style-priority:99;
        color:blue;
        text-decoration:underline;}
a:visited, span.MsoHyperlinkFollowed
        {mso-style-priority:99;
        color:purple;
        text-decoration:underline;}
p
        {mso-style-priority:99;
        mso-margin-top-alt:auto;
        margin-right:0in;
        mso-margin-bottom-alt:auto;
        margin-left:0in;
        font-size:12.0pt;
        font-family:"Times New Roman","serif";}
code
        {mso-style-priority:99;
        font-family:"Courier New";}
pre
        {mso-style-priority:99;
        mso-style-link:"HTML Preformatted Char";
        margin:0in;
        margin-bottom:.0001pt;
        font-size:10.0pt;
        font-family:"Courier New";}
tt
        {mso-style-priority:99;
        font-family:"Courier New";}
p.MsoAcetate, li.MsoAcetate, div.MsoAcetate
        {mso-style-priority:99;
        mso-style-link:"Balloon Text Char";
        margin:0in;
        margin-bottom:.0001pt;
        font-size:8.0pt;
        font-family:"Tahoma","sans-serif";}
span.apple-style-span
        {mso-style-name:apple-style-span;}
span.HTMLPreformattedChar
        {mso-style-name:"HTML Preformatted Char";
        mso-style-priority:99;
        mso-style-link:"HTML Preformatted";
        font-family:Consolas;}
p.ecxmsonormal, li.ecxmsonormal, div.ecxmsonormal
        {mso-style-name:ecxmsonormal;
        mso-style-priority:99;
        mso-margin-top-alt:auto;
        margin-right:0in;
        mso-margin-bottom-alt:auto;
        margin-left:0in;
        font-size:12.0pt;
        font-family:"Times New Roman","serif";}
p.ecxmsolistparagraph, li.ecxmsolistparagraph, div.ecxmsolistparagraph
        {mso-style-name:ecxmsolistparagraph;
        mso-style-priority:99;
        mso-margin-top-alt:auto;
        margin-right:0in;
        mso-margin-bottom-alt:auto;
        margin-left:0in;
        font-size:12.0pt;
        font-family:"Times New Roman","serif";}
p.ecxattach, li.ecxattach, div.ecxattach
        {mso-style-name:ecxattach;
        mso-style-priority:99;
        mso-margin-top-alt:auto;
        margin-right:0in;
        mso-margin-bottom-alt:auto;
        margin-left:0in;
        font-size:12.0pt;
        font-family:"Times New Roman","serif";}
p.ecxbold, li.ecxbold, div.ecxbold
        {mso-style-name:ecxbold;
        mso-style-priority:99;
        mso-margin-top-alt:auto;
        margin-right:0in;
        mso-margin-bottom-alt:auto;
        margin-left:0in;
        font-size:12.0pt;
        font-family:"Times New Roman","serif";}
p.ecxgreen, li.ecxgreen, div.ecxgreen
        {mso-style-name:ecxgreen;
        mso-style-priority:99;
        mso-margin-top-alt:auto;
        margin-right:0in;
        mso-margin-bottom-alt:auto;
        margin-left:0in;
        font-size:12.0pt;
        font-family:"Times New Roman","serif";}
p.ecxreplbq, li.ecxreplbq, div.ecxreplbq
        {mso-style-name:ecxreplbq;
        mso-style-priority:99;
        mso-margin-top-alt:auto;
        margin-right:0in;
        mso-margin-bottom-alt:auto;
        margin-left:0in;
        font-size:12.0pt;
        font-family:"Times New Roman","serif";}
p.ecxad, li.ecxad, div.ecxad
        {mso-style-name:ecxad;
        mso-style-priority:99;
        mso-margin-top-alt:auto;
        margin-right:0in;
        mso-margin-bottom-alt:auto;
        margin-left:0in;
        font-size:12.0pt;
        font-family:"Times New Roman","serif";}
p.ecxunderline, li.ecxunderline, div.ecxunderline
        {mso-style-name:ecxunderline;
        mso-style-priority:99;
        mso-margin-top-alt:auto;
        margin-right:0in;
        mso-margin-bottom-alt:auto;
        margin-left:0in;
        font-size:12.0pt;
        font-family:"Times New Roman","serif";}
p.ecxad1, li.ecxad1, div.ecxad1
        {mso-style-name:ecxad1;
        mso-style-priority:99;
        mso-margin-top-alt:auto;
        margin-right:0in;
        mso-margin-bottom-alt:auto;
        margin-left:0in;
        font-size:12.0pt;
        font-family:"Times New Roman","serif";}
p.ecxad2, li.ecxad2, div.ecxad2
        {mso-style-name:ecxad2;
        mso-style-priority:99;
        mso-margin-top-alt:auto;
        margin-right:0in;
        mso-margin-bottom-alt:auto;
        margin-left:0in;
        font-size:12.0pt;
        font-family:"Times New Roman","serif";}
p.ecxunderline1, li.ecxunderline1, div.ecxunderline1
        {mso-style-name:ecxunderline1;
        mso-style-priority:99;
        mso-margin-top-alt:auto;
        margin-right:0in;
        mso-margin-bottom-alt:auto;
        margin-left:0in;
        font-size:12.0pt;
        font-family:"Times New Roman","serif";}
p.ecxmsochpdefault, li.ecxmsochpdefault, div.ecxmsochpdefault
        {mso-style-name:ecxmsochpdefault;
        mso-style-priority:99;
        mso-margin-top-alt:auto;
        margin-right:0in;
        mso-margin-bottom-alt:auto;
        margin-left:0in;
        font-size:12.0pt;
        font-family:"Times New Roman","serif";}
p.ecxmsonormal1, li.ecxmsonormal1, div.ecxmsonormal1
        {mso-style-name:ecxmsonormal1;
        mso-style-priority:99;
        mso-margin-top-alt:auto;
        margin-right:0in;
        mso-margin-bottom-alt:auto;
        margin-left:0in;
        font-size:12.0pt;
        font-family:"Times New Roman","serif";}
p.ecxmsolistparagraph1, li.ecxmsolistparagraph1, div.ecxmsolistparagraph1
        {mso-style-name:ecxmsolistparagraph1;
        mso-style-priority:99;
        mso-margin-top-alt:auto;
        margin-right:0in;
        mso-margin-bottom-alt:auto;
        margin-left:0in;
        font-size:12.0pt;
        font-family:"Times New Roman","serif";}
p.ecxattach1, li.ecxattach1, div.ecxattach1
        {mso-style-name:ecxattach1;
        mso-style-priority:99;
        mso-margin-top-alt:auto;
        margin-right:0in;
        mso-margin-bottom-alt:auto;
        margin-left:0in;
        font-size:9.0pt;
        font-family:"Arial","sans-serif";}
p.ecxbold1, li.ecxbold1, div.ecxbold1
        {mso-style-name:ecxbold1;
        mso-style-priority:99;
        mso-margin-top-alt:auto;
        margin-right:0in;
        mso-margin-bottom-alt:auto;
        margin-left:0in;
        font-size:10.0pt;
        font-family:"Arial","sans-serif";
        font-weight:bold;}
p.ecxgreen1, li.ecxgreen1, div.ecxgreen1
        {mso-style-name:ecxgreen1;
        mso-style-priority:99;
        mso-margin-top-alt:auto;
        margin-right:0in;
        mso-margin-bottom-alt:auto;
        margin-left:0in;
        font-size:12.0pt;
        font-family:"Times New Roman","serif";
        color:#628C2A;}
p.ecxreplbq1, li.ecxreplbq1, div.ecxreplbq1
        {mso-style-name:ecxreplbq1;
        mso-style-priority:99;
        mso-margin-top-alt:auto;
        margin-right:0in;
        mso-margin-bottom-alt:auto;
        margin-left:0in;
        font-size:12.0pt;
        font-family:"Times New Roman","serif";}
p.ecxad3, li.ecxad3, div.ecxad3
        {mso-style-name:ecxad3;
        mso-style-priority:99;
        mso-margin-top-alt:auto;
        margin-right:0in;
        mso-margin-bottom-alt:auto;
        margin-left:0in;
        font-size:12.0pt;
        font-family:"Times New Roman","serif";}
p.ecxunderline2, li.ecxunderline2, div.ecxunderline2
        {mso-style-name:ecxunderline2;
        mso-style-priority:99;
        mso-margin-top-alt:auto;
        margin-right:0in;
        mso-margin-bottom-alt:auto;
        margin-left:0in;
        font-size:12.0pt;
        font-family:"Times New Roman","serif";}
p.ecxad11, li.ecxad11, div.ecxad11
        {mso-style-name:ecxad11;
        mso-style-priority:99;
        mso-margin-top-alt:auto;
        margin-right:0in;
        mso-margin-bottom-alt:auto;
        margin-left:0in;
        font-size:12.0pt;
        font-family:"Times New Roman","serif";}
p.ecxad21, li.ecxad21, div.ecxad21
        {mso-style-name:ecxad21;
        mso-style-priority:99;
        mso-margin-top-alt:auto;
        margin-right:0in;
        mso-margin-bottom-alt:auto;
        margin-left:0in;
        font-size:12.0pt;
        font-family:"Times New Roman","serif";}
p.ecxunderline11, li.ecxunderline11, div.ecxunderline11
        {mso-style-name:ecxunderline11;
        mso-style-priority:99;
        mso-margin-top-alt:auto;
        margin-right:0in;
        mso-margin-bottom-alt:auto;
        margin-left:0in;
        font-size:12.0pt;
        font-family:"Times New Roman","serif";
        text-decoration:underline;}
p.ecxmsochpdefault1, li.ecxmsochpdefault1, div.ecxmsochpdefault1
        {mso-style-name:ecxmsochpdefault1;
        mso-style-priority:99;
        mso-margin-top-alt:auto;
        margin-right:0in;
        mso-margin-bottom-alt:auto;
        margin-left:0in;
        font-size:10.0pt;
        font-family:"Times New Roman","serif";}
span.ecxapple-style-span
        {mso-style-name:ecxapple-style-span;}
span.ecxmsohyperlink
        {mso-style-name:ecxmsohyperlink;}
span.ecxmsohyperlinkfollowed
        {mso-style-name:ecxmsohyperlinkfollowed;}
span.ecxhtmlpreformattedchar
        {mso-style-name:ecxhtmlpreformattedchar;}
span.ecxyshortcuts1
        {mso-style-name:ecxyshortcuts1;}
span.ecxyshortcuts2
        {mso-style-name:ecxyshortcuts2;}
span.ecxemailstyle37
        {mso-style-name:ecxemailstyle37;}
span.ecxmsohyperlink1
        {mso-style-name:ecxmsohyperlink1;
        color:blue;
        text-decoration:underline;}
span.ecxmsohyperlinkfollowed1
        {mso-style-name:ecxmsohyperlinkfollowed1;
        color:purple;
        text-decoration:underline;}
span.ecxhtmlpreformattedchar1
        {mso-style-name:ecxhtmlpreformattedchar1;
        font-family:Consolas;}
span.ecxyshortcuts11
        {mso-style-name:ecxyshortcuts11;
        font-family:"Verdana","sans-serif";
        font-weight:bold;}
span.ecxyshortcuts21
        {mso-style-name:ecxyshortcuts21;
        font-family:"Verdana","sans-serif";
        font-weight:normal;}
span.ecxemailstyle371
        {mso-style-name:ecxemailstyle371;
        font-family:"Calibri","sans-serif";
        color:#1F497D;}
span.ecxapple-converted-space
        {mso-style-name:ecxapple-converted-space;}
span.ecxcat
        {mso-style-name:ecxcat;}
span.ecxct
        {mso-style-name:ecxct;}
span.EmailStyle63
        {mso-style-type:personal;
        font-family:"Calibri","sans-serif";}
span.BalloonTextChar
        {mso-style-name:"Balloon Text Char";
        mso-style-priority:99;
        mso-style-link:"Balloon Text";
        font-family:"Tahoma","sans-serif";}
span.EmailStyle67
        {mso-style-type:personal-reply;
        font-family:"Calibri","sans-serif";
        color:#1F497D;}
.MsoChpDefault
        {mso-style-type:export-only;
        font-size:10.0pt;}
@page WordSection1
        {size:8.5in 11.0in;
        margin:1.0in 1.0in 1.0in 1.0in;}
div.WordSection1
        {page:WordSection1;}
--></style><!--[if gte mso 9]><xml>
<o:shapedefaults v:ext="edit" spidmax="1026" />
</xml><![endif]--><!--[if gte mso 9]><xml>
<o:shapelayout v:ext="edit">
<o:idmap v:ext="edit" data="1" />
</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='color:#1F497D'>TR></span>However, if I had a trench 5X5 ft2 in cross section, the pile of dry "TreeBrush" could be thrown in, lit at one end, and it would burn horizontally end to end and make Biochar.  Saving the cutting up process. <span style='color:#1F497D'><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><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Tom,<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><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Would it make a difference to cover the pile, leaving it open at both ends?<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><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Tom Miles<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></body></html>