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Methyl Bromide Gas Controls

In 1947 at the Saratoga Tree Nursery one of the blocks previously used far transplants was converted into seedbeds. Very poor survival and growth of seedlings in parts of this block were noted. Seed of another species was sown in the block in 1950 and the same pattern of poor sur-vival and growth was observed. A study of air photos and management maps revealed that some 4-0 or 5-0 white pine seedlings had been plow-ed under during World War II in the areas where the seedlings were not showing good growth. All of the observations pointed to a soils problem, either nutritional or biological.


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Author(s): Joseph A. Hill

Publication: Tree Planters' Notes - Issue 21 (1955)