Recycling perlite rooting media

With use, a mixture of perlite and vermiculite loses its effectiveness for rooting tree cuttings due to collapse of the air- and water holding granules of vermiculite. A method is described whereby the perlite and uncollapsed vermiculite may be salvaged for reuse.

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Author(s): Robert C. Hare

Publication: Tree Planters' Notes - Volume 26, Number 4 (1975)

Volume: 26

Number: 4

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