 | 1804 - 462 pages
...every eight or ten years will live one hundred and fifty years or more. The bark of the young trees is porous and good for little: however, it is necessary to take it off when the trees are twelve or fifteen years old, without which the bark will not be good, and after eight or ten years... | |
 | Bernard M'Mahon - 1806 - 746 pages
...or sixty years in health ; whereas trees which are barked every eight or ten years, will live 150, or more. The bark of a young tree is porous and good for little; however, it is useful to take it off when the tree* are twelve or fifteen years old ; for without this, it will never... | |
 | Bernard M'Mahon - 1806 - 686 pages
...or sixty years in. health ; whereas trees which are barked every eight or ten years, will live 150, or more. The bark of a young tree is porous and good for little ; however, it is useful to take it off when the trees are twelve or fifseen years old ; for without this, it will never... | |
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... so that the stripping; off the outer coat is so far from injuring the trees, that it is of real service ; for when it is not taken off, they seldom last longer than fifty or sixty years in. health ; whereas trees which are barked every eight or ten... 