Vol. 43

Title:
Container Nursery Plant Culture in Waxed Corrugated Cardboard Media

Author:
Calvin Chong

pp: 491-494

Abstract:
Media containing 25% or 50% by volume of uncomposted waxed corrugated cardboard mixed with 25% or 50% of spent mushroom compost and(or) sawdust were evaluated for container culture of four woody shrubs. The shrubs used were: dogwood (Cornus stolonifera ‘Flaviramea’); forsythia (Forsythia × intermedia ‘Lynwood’); ninebark (Physocarpus opulifolius); and weigela (Weigela florida ‘Aureovariegata’). There were two fertilizer regimes: liquid (20–20–20); slow-release (Sierra 17–6-–12 plus minors, 3–4 month release time). Shoot growth data showed that all four shrubs supplied with liquid fertilizer grew better than those with slow-release fertilizer. Among the media tested, certain waxed cardboard blends supported growth of dogwood, forsythia, and ninebark equal to a bark control medium and a commercial nursery mix.

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