Diseases In Exotic Forests
Sir, —My thanks to the Director-General of Forests (Mr A. L. Poole) for his: reply. Nevertheless, the fact remains that the soils under the Nelson beech forests are notoriously poor and quite unlike those on the East Coast. To fell the protective beech forests and replace them with exotics which must struggle for their existence , and be subject to checks I could predispose toward dislease as well as being contrary to the best principles of timber management. In general, the most effective and per- : manent control for manyforest pests, including fungi. I lies in the production of •stands composed of thrifty (trees. Many experienced
foresters consider that insuffi[cient time has elapsed to assess the strain behaviour of! ithe needle-cast disease and I its full effect on our exotic; forests.—Yours, etc., VULCAN. • February 19, 1970.
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Press, Volume CIX, Issue 32220, 12 February 1970, Page 12
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138Diseases In Exotic Forests Press, Volume CIX, Issue 32220, 12 February 1970, Page 12
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