| Data repository + (2) |  |
| Information center (3) | |
Ultimately, the lack of information centers around the fact that terra preta is old and biochar, well,
The North Central Sustainable agriculture Research and Education (SARE) program and the Conservation Technology Information center conducted the survey of more than 759 commercial farmers from winter 2012 through spring 2013.
It also maintains the National Invasive Species Information center. Noxious weeds on federal or state lists and invasive weeds are defined generally as plants with adverse social economic or ecological effects.
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