http://disqus.com/by/bharzman/enWed, 09 Jul 2008 08:23:23 -0000http://blog.alextiller.com/post/41507282#comment-843295<p>I would like to know what the costs are then of chemical to go no till.<br>What are the long term effects of all this new chemical usage, weeds adapting to the chemical and not dying. Chemical effects on us when eating, and the effects on us applying them?</p>bharzmanWed, 09 Jul 2008 08:23:23 -0000