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Richard Haard
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Back to the Garden

Started this discussion. Last reply by Richard Haard Jan 28, 2011. 2 Replies

Our own 'Skeeter' and others will be seen tonight on PBS 9, 10 pm thursday, tonight channel 9 pbs a show called 'reel nw' Back to the Garden, A documentary by Kevin Tomlinson with footage from 1970's…Continue


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Richard Haard's Blog

Biochar and sequestration of toxics

Posted on February 15, 2011 at 9:00am 4 Comments

Followup of Heathers announcement of WSU conference on herbicide contamination readers might be interested in this poster I prepared for a conference last year. 


In the experiment I was comparing biochar from a known sources to grosafe, a commercial type of activated carbon used to clean up pesticide spills. So far I have tried with several types of preemergent herbicides and all work well. 


Also very interesting to me is evidence that biochar and AC…


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