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Copper Release from Chemical Root-Control Baskets in Hardwood Tree Production

^a Dep. of Natural Resource Sciences, McGill Univ., Macdonald Campus, 21 111 Lakeshore Road, Ste-Anne-de-Bellevue, QC, Canada H9X 3V9
^b Eastern Cereal and Oilseed Research Centre, 960 Carling Ave., Ottawa, ON, Canada K1A 0C6
^c Institut de Recherche en Biologie Végétale, 4101 rue Sherbrooke E., Montréal, QC, Canada H1X 2B2

View larger version (20K): [in a new window]   Fig. 1. Exponential release of Cu from in-ground chemical root-control baskets in the field. Best-fit curves were calculated using regression analysis.

View larger version (16K): [in a new window]   Fig. 2. Exponential increase of soil Cu content inside the root-control baskets in the field. Best-fit curves were calculated using regression analysis.

View larger version (23K): [in a new window]   Fig. 3. Arbuscular mycorrhizal colonization of tree roots in root-control baskets. Control trees were grown bare-root in the open field. Error bars indicate standard error.