<div>Dear Paul,</div>
<div>first of all, I don't feel that much of the original fat or oil would be left in the charred material. If any is left, it would serve as food for the soil micro-organisms. The soil fertility is directly correlated with the population density of microbes in the soil. Therefore, anything that feeds the microbes in the soil is going to enhance their numbers and thereby enhance the soil fertility. </div>
<div>Yours</div>
<div>A.D.Karve <br><br></div>
<div class="gmail_quote">On Tue, Aug 13, 2013 at 10:14 PM, Paul Anderson <span dir="ltr"><<a href="mailto:psanders@ilstu.edu" target="_blank">psanders@ilstu.edu</a>></span> wrote:<br>
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<div>Dear readers,<br><br>I am moving this topic from the Stoves Listserv to the basic Biochar Listserv. Please place replies to the Biochar group.<br><br>Erin, this is the first time I have heard such a statement (below). <br>
<br>Hugh McLaughlin has a strong preference for biochars that have minimal tars and oils.<br><br>With many types of plants and soils and chars, there are sure to be different results that can support either position. What evidence is there, and what should be told to the novice users of biochar?<br>
<br>Paul<br><br><pre cols="72">Paul S. Anderson, PhD aka "Dr TLUD"
Email: <a href="mailto:psanders@ilstu.edu" target="_blank">psanders@ilstu.edu</a> Skype: paultlud Phone: +1-309-452-7072
Website: <a href="http://www.drtlud.com/" target="_blank">www.drtlud.com</a></pre>On 8/13/2013 11:21 AM, Erin Rasmussen wrote:<br></div>
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<div>
<p class="MsoNormal"><span style="COLOR:windowtext">From Paul's message:<u></u><u></u></span></p>
<p class="MsoNormal"><span style="COLOR:windowtext">> </span>Other issues: What about all those other tars and oils and vapors that are combustible but for which there is not sufficient Oxygen inside <span style="COLOR:windowtext">> </span>the biomass molecules? Are you expecting this to drain? Or to remain inside the "char" that would be loaded with such "gunk"? That <span style="COLOR:windowtext">> </span>would be interesting char for burning, but not as biochar for soils and plants.<br>
<br><u></u><u></u></p></div>
<p class="MsoNormal"><span style="COLOR:windowtext">Actually, a lot of plants like the extra tars and vapors to be in the char. Some of the most oily chars I've gotten a chance to test, have been the ones that plants like. So it's good to widen the pool of chars that we are looking at to include some of the other processes that use the energy from the charmaking process to do useful things. <u></u><u></u></span></p>
<p class="MsoNormal"><span style="FONT-FAMILY:'Calibri','sans-serif';COLOR:windowtext"><u></u> <u></u></span></p>
<p class="MsoNormal"><span style="FONT-FAMILY:'Calibri','sans-serif';COLOR:windowtext">Erin Rasmussen<u></u><u></u></span></p>
<p class="MsoNormal"><span style="FONT-FAMILY:'Calibri','sans-serif';COLOR:windowtext"><a href="mailto:erin@trmiles.com" target="_blank">erin@trmiles.com</a> <u></u><u></u></span></p></div><br>
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<br>-- <br>***<br>Dr. A.D. Karve<br>Trustee & Founder President, Appropriate Rural Technology Institute (ARTI)<br><br>