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Thinning Clumps of Northern Hardwood Stump Sprouts to Produce High Quality Timber by George Stroempl Pdf
Stump sprouting often accounts for a great part of the reproduction in many hardwood stands and is an important factor in forest management. For certain species, reproduction from stumps is simple, rapid, & inexpensive and provides supplemental stocking to the reproduction from seedlings. This report concerns the treatment of stump sprouts to produce high quality timber through judicious thinning, which requires understanding the factors influencing sprout development and the application of specific silvicultural measures to sustain the optimal growth of sprouts. These aspects are discussed in sections covering the forms of stump sprouts, the factors influencing sprout development (species, age, parent stump diameter, location of sprouts on stump), the theory & methods of thinning clumps of sprouts, and ways to encourage sprouting & to thin clumps. The information presented applies to white ash, basswood, white birch, red maple, and red oak, and has been carefully scrutinized for applicability to Ontario conditions.
Survival and Early Growth of Planted Forest Trees on Strip-mine Spoils in the Anthracite Region by Miroslaw M. Czapowskyj,William Everett McQuilkin Pdf
In 1962 a survey-type study was conducted to evaluate the performance of forest tree species in established plantings on strip-mine spoils of the Anthracite Region of Pennsylvania. Plantations representing a wide range of site conditions in all four anthracite fields were examined.