recently found another cement substitute that s carbon neutral rice husks The Discover Channel reports that rice husk ash could replace up to 20 percent of the cement in a concrete mix This entry was posted on Friday July 10th 2009 at 8 02 am and is filed under Concrete Contractor Green Building You can follow any Tags: Usda View |
Here s a link I posted last year when Rural Cooperatives magazine featured Idaho s Bounty in their May issue Tags: Usda View |
