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Indian Forester, Vol 99, No 10 (1973), Pagination: 599-608
Abstract
Relationships between volumes and weights of trees with measurable parameters of d.b.h. and tree height have been studied by the method of linear regression analysis. Regression equations obtained are given with regression analysis of each. Tables for ready use in this field are also given. Eucalyptus hybrid has been planted extensively in several states of India. General standard volume Tables for this species based on the data of several states have been published. Several sample plots were laid in South Coimbatore, Tiruchinapalli, East Vellore and Chingleput Divisions of Tamil Nadu by the mensuration party of Forest Research Centre Coimbatore working under one of the authors (Venkataraman). Apart from normal sample plot work the sample trees felled were weighed in green condition, with bark and without bark. Trees were felled in February and March 1971. They were weighed within 15 days of felling. For this purpose the trees were divided into billets 2 m in length. These billets were marked and were weighed at frequent intervals. Dry weight was recorded when two successive measurements gave the same weight. This data has been utilised for this study.
