Excerpt from Brush Control on Forest Lands With Emphasis on Promising Methods for the Pacific Northwest: A Review of Selected References Four principal methods of controlling brush are: (1) chemical, (2) mechanical, (3) burning, and (4) biological. The discovery of potent new herbicides in recent years has directed attention to chemi cal techniques. Situations will be encountered, however, where each of the four methods or combinations of them are effective. 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.