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Coffee science fair projects stimulate gardening discussion...
Sara
Objectives/GoalsEvaluate affect of coffee addition to soil on radish growth. Methods/MaterialsVarious levels of coffee were added to soil. Plant height and survival were measured under various soil conditions. ResultsThe addition of 2.5% coffee to soil had the most benificial affect on plant survival and plant height. The addition of higher levels of coffee in soil had negative affects on plant height and survival rates. Conclusions/DiscussionThe addition of low levels of coffee to supplement soil have a benificial affect on plant growth. original abstract: http://www.usc.edu/CSSF/History/2004/Projects/S1606.pdf
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