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Home → Publications → Tree Planters' Notes → Tree Planters' Notes Volume 24, Number 3 (1973) → Moisture Retaining Materials, Storage Duration for Unrefrigerated Bales of Nursery Stock Studied for Effects on Survival and Growth

Moisture Retaining Materials, Storage Duration for Unrefrigerated Bales of Nursery Stock Studied for Effects on Survival and Growth

In 1955, an experiment conducted by the Midhurst Research Center compared sphagnum moss, locally collected moss (a mixture from a local marsh), poplar excelsior, and poplar excelsior treated with a wetting agent, as the moisture retaining materials in bales of nursery stock. The bales used were the standard for Ontario at that time, trees being placed "roots inwards" in alternate layers with the moisture retaining material, and rolled in a covering of wax paper and burlap. Wooden battens were used for rigidity, and a wire or steel strapping tied near each end. The ends of the bales were open, exposing varying amounts of the tops of the packaged trees, depending upon size of the stock. The same packaging method, using sphagnum moss, is still in general use but supplemented by other methods, chiefly the kraft-polyethylene bag.


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Author(s): R. E. Mullin

Publication: Tree Planters' Notes - Volume 24, Number 3 (1973)

Volume: 24

Number: 3