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Author : Nils B. Eckbo
Publisher : Unknown
Page : 52 pages
File Size : 41,9 Mb
Release : 1922
Category : Forests and forestry
ISBN : UCAL:$C13473
Author : Nils B. Eckbo
Publisher : Unknown
Page : 52 pages
File Size : 43,9 Mb
Release : 2015-08-05
Category : Technology & Engineering
ISBN : 1332233848
Excerpt from The Seasoning of South African Woods The cavities, or cells as they are also called, usually contain a watery fluid when the wood is green, but as the wood dries out the water is evaporated, leaving air and a small residue in its place. The cell walls are built up of a substance known as cellulose, which is permeated by a number of materials known as lignin. The walls of these cells in the green tree are saturated with water, leaving the wood soft and pliable. The definition of seasoning may be said to be "dehydration with a minimum of damage to the structure of the wood." Dehydration is comparatively easy, but the extent of damage incurred during drying determines the ultimate usefulness of the wood. There are a great number of factors that influence the seasoning of wood in addition to the more or less complicated structure of the wood itself. Of these may be mentioned - (a) season of cutting trees; (b) dimensions of stock; (c) stacking; (d) atmospheric conditions. Season of Cutting Trees. In all the northern countries of the world that are well forested the season for each logging operation is well denned. Cutting of the trees commences in the late autumn when the farm work is practically ended for the year and labour is plentiful. It may last until the snow comes or continue through the entire winter. With the first freezing weather the swamps become solid and the skidding commences. All the scattered logs are skidded or dragged by horses usually on a single bob-sleigh to large stacks, from which they are hauled on sleighs later on when the heavy snows come, to the driving stream, or possibly off-loaded on the ice of a lake. When spring opens up, the logs are floated, or driven as it is usually called, on flood waters to the sawmills, where they may be kept in booms or a mill-pond until such a time as it is convenient to convert them into planks. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Author : Brett Bennett,Fred Kruger
Publisher : ANU Press
Page : 289 pages
File Size : 50,5 Mb
Release : 2015-11-11
Category : Nature
ISBN : 9781925022841
This innovative interdisciplinary study focuses on the history, science, and policy of tree planting and water conservation in South Africa. South Africa’s forestry sector has sat—often controversially—at the crossroads of policy and scientific debates regarding water conservation, economic development, and biodiversity protection. Bennett and Kruger show how debates about the hydrological impact of exotic tree planting in South Africa shaped the development of modern scientific ideas and state policies relating to timber plantations, water conservation, invasive species control, and biodiversity management within South Africa as well as elsewhere in the world. Forestry and Water Conservation in South Africa shows how scientific research on the impact of exotic and native vegetation led to the development of a comprehensive national policy for conserving water, producing timber, and protecting indigenous species from invasive alien plants. Policies and laws relating to forests and water began to change in the late 1980s and early 1990s as a result of political and administrative changes within South Africa. This book suggests that the country’s contemporary policies towards timber plantations, guided by the National Water Act of 1998, need to be reconsidered in light of the authors’ findings. Bennett and Kruger also call for more interdisciplinary research and greater emphasis on integrated policies and management plans for forestry, invasive alien plants, water conservation, and biodiversity preservation.
Author : United States. Bureau of Foreign and Domestic Commerce
Publisher : Unknown
Page : 50 pages
File Size : 43,9 Mb
Release : 1931
Category : Lumber trade
ISBN : UOM:39015073800768
Author : United States. Office of Experiment Stations
Publisher : Unknown
Page : 1014 pages
File Size : 43,9 Mb
Release : 1922
Category : Agricultural experiment stations
ISBN : UCAL:B3536199
Author : U.S. Office of Experiment Stations,United States. Agricultural Research Service,United States. Office of Experiment Stations
Publisher : Unknown
Page : 1128 pages
File Size : 46,7 Mb
Release : 1923
Category : Agricultural experiment stations
ISBN : UOM:39015075062870
Author : United States. Bureau of Foreign and Domestic Commerce
Publisher : Unknown
Page : 26 pages
File Size : 45,8 Mb
Release : 1930
Category : Sawmills
ISBN : UIUC:30112104075947
Author : Anonim
Publisher : Unknown
Page : 894 pages
File Size : 49,5 Mb
Release : 1929
Category : Electronic
ISBN : UOM:39015032030713
Author : United States. Bureau of Foreign and Domestic Commerce
Publisher : Unknown
Page : 878 pages
File Size : 51,7 Mb
Release : 1929
Category : Debts, Public
ISBN : OSU:32435063935704
Author : Thomas Robertson Sim
Publisher : Unknown
Page : 556 pages
File Size : 44,8 Mb
Release : 1927
Category : Forests and forestry
ISBN : UOM:39015058412597
Author : Anonim
Publisher : Unknown
Page : 890 pages
File Size : 49,8 Mb
Release : 1928
Category : Consular reports
ISBN : UIUC:30112110828909
Author : Anonim
Publisher : Unknown
Page : 68 pages
File Size : 53,9 Mb
Release : 1930-03-31
Category : Consular reports
ISBN : MINN:30000010371775
Author : Anonim
Publisher : Unknown
Page : 194 pages
File Size : 47,6 Mb
Release : 1942
Category : Forests and forestry
ISBN : UCAL:$B2706
Author : George Patrick Ahern,Helen K. Newton
Publisher : Unknown
Page : 86 pages
File Size : 47,6 Mb
Release : 1928
Category : Forests and forestry
ISBN : MINN:31951001488867X
Author : Steven Raichlen
Publisher : Workman Publishing Company
Page : 657 pages
File Size : 54,8 Mb
Release : 2015-12-22
Category : Cooking
ISBN : 9780761164470
The most ambitious book yet by America’s bestselling, award-winning grill expert whose Barbecue! Bible books have over 4 million copies in print. Setting out—again—on the barbecue trail four years ago, Steven Raichlen visited 60 countries—yes, 60 countries—and collected 309 of the tastiest, most tantalizing, easy-to-make, and guaranteed-to-wow recipes from every corner of the globe. Welcome to Planet Barbecue, the book that will take America’s passionate, obsessive, smoke-crazed live-fire cooks to the next level. Planet Barbecue, with full-color photographs throughout, is an unprecedented marriage of food and culture. Here, for example, is how the world does pork: in the Puerto Rican countryside cooks make Lechon Asado—stud a pork shoulder with garlic and oregano, baste it with annatto oil, and spit-roast it. From the Rhine-Palatine region of Germany comes Spiessbraten, thick pork steaks seasoned with nutmeg and grilled over a low, smoky fire. From Seoul, South Korea, Sam Gyeop Sal—grilled sliced pork belly. From Montevideo, Uruguay, Bandiola—butterflied pork loin stuffed with ham, cheese, bacon, and peppers. From Cape Town, South Africa, Sosaties—pork kebabs with dried apricots and curry. And so it goes for beef, fish, vegetables, shellfish—says Steven, "Everything tastes better grilled." In addition to the recipes the book showcases inventive ways to use the grill: Australia's Lamb on a Shovel, Bogota's Lomo al Trapo (Salt-Crusted Beef Tenderloin Grilled in Cloth), and from the Charantes region of France, Eclade de Moules—Mussels Grilled on Pine Needles. Do try this at home. What a planet—what a book.
