Trials with Natural Growth Promoting Products©
Keller, J. International Plant Propagators' Society, combined proceedings 2005, 55:481-488. 2006. Products tested include humate products, mycorrhiza, fulvic acid, kelp extract. Effects on growth, rooting, suppression of Phytophthora were tested.
We have tested natural growth-promoting products with varying results. This report summarizes the results of several trials with these types of products.
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Author(s): J. Keller
Section: Fertilization and Nutrition
