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Concerning humic acids. (3rd communication). Investigations on the action of some quinones as type substances of synthesis and decomposition of humic acids, also of some redox substances on the growth of plant roots.



Concerning humic acids. (3rd communication). Investigations on the action of some quinones as type substances of synthesis and decomposition of humic acids, also of some redox substances on the growth of plant roots.



Landw. Forsch 3: 66-89



Various polyoxyanthraquinones accelerated the growth of cress roots more markedly than did beta -indolylacetic acid.

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