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rooting compound

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noun
horticulture a substance, usually a powder, containing auxins in which plant cuttings are dipped in order to promote root growth
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Words nearby rooting compound

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

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