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Fine root inputs to soil reduce growth of a neighbouring plant via distinct mechanisms dependent on root carbon chemistry

Courtney L. Meier, Auteur ; Kaleb Keyserling, Auteur ; William D. Bowman, Auteur

Dans Journal of Ecology (97(5) SEP 2009)

P> Plant carbon (C) and nitrogen (N) inputs to soil interact with microbes and abiotic factors like climate and pH to influence soil fertility and plant productivity. Although root exudates and root litter are important factors affecting the cyc[...]

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Carbon flux from plants to soil: roots are a below-ground source of phenolic secondary compounds in an alpine ecosystem

Courtney L. Meier, Auteur ; Katharine N. Suding, Auteur ; William D. Bowman, Auteur

Dans Journal of Ecology (96(3) MAY 2008)

1. Phenolics are an important, biologically reactive component of the carbon (C) pool that moves from plants to soil. Once in soil, phenolics can regulate plant-soil feedbacks because of their influence on soil nitrogen biogeochemistry. 2. Roots[...]

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