Abstract
Honeylocust (Gleditsia triancanthos L.) root growth response to varying levels of Al and Ca in soil solutions was examined in two horizons each of two forest soils. With results from all four horizons combined, multiple regression analysis indicated that both Ca and Al were significant (p<0.01) factors affecting root elongation, branching and biomass production. Over a wide range of Al and Ca concentrations in soil solutions from four different soil horizons, the Ca:Al ratio was a significantly better predictor of honeylocust root response to acid soils than Al or Ca alone.
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Wolfe, M.H., Joslin, J.D. Honeylocust (Gleditsia triacanthos L.) root response to aluminium and calcium. Plant Soil 119, 181–185 (1989). https://doi.org/10.1007/BF02370283
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DOI: https://doi.org/10.1007/BF02370283