GROWTH STUDY AND NORMAL YIELD TABLES 



FOR SECOND GROWTH HARDWOOD STANDS 



IN CENTRAL NEW ENGLAND 



INTRODUCTION 



THE present growth study and accompanying yield tables 

 relate to forest types which, though of great and ever in- 

 creasing importance in the economic life of Central New 

 England, have thus far received but little attention. Situ- 

 ated in the transition belt between the northern hardwood 

 forests of New Hampshire and Vermont and the " sprout" 

 hardwood forests of Connecticut, they combine character- 

 istics of each. 



The numerous .woodworking industries of the smaller 

 towns and cities furnish a ready outlet for all classes of timber 

 and the use of hardwood in the region, already varied, is 

 rapidly increasing. At present the local hardwood supply is 

 by no means sufficient to satisfy the demand, but hardwood 

 acreage is on the increase due to the tendency of pine lots 

 when cut to reproduce to hardwood. Through simple silvi- 

 cultural operations, such as have been developed on the 

 Harvard Forest, 1 future stands of this type can be greatly 

 improved as to percent of the more valuable species in mix- 

 ture, density of stocking and form of trees. The cost of such 

 operations has been shown to be thoroughly justified by the 

 increased value of stands so handled. Since the accompanying 

 tables are based on the actual volumes of fully-stocked, 

 natural stands they represent the minimum to be expected 

 under forest management. 



1 For full discussion of these operations see article by R. T. Fisher, "The 

 Yield of Volunteer Second Growth as Affected by Improvement Cutting and 

 Early Weeding." Journal of Forestry, vol. 16, May 1918. 



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