General view of the agriculture of the county of Durham, with observations on the means of its improvement
Автор:
Great Britain. Board of Agriculture, 68 стр., ISBN:
1130006530
This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1810 Excerpt: ...to the neighbouring hard wood, by over-hanging them with their spreading tops. The next eight years, making from 32 to 33 years, being as far as I can go from experience at this place, many of the larches and firs taken down, square l0inches or a foot, which sell at two shillings per cubic foot, and are applicable to almost all purposes of building, as well as to those mentioned in the former years. The birches being the only hard wood which are large enough to be cut at this period, are useful for prop wood, mining ditto, clog soles, &c. This fourth operation of thinning, leaves the trees at a considerable distance, so as to enable the remaining ones to grow to a large size, which, I think, ought, the next eight years, viz. at the age of 41, to be left at a timber distance, not...
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