Excerpt from Effects of Forest Fertilization With Urea on Stream Water Quality: Quilcene Ranger District, Washington Initial trial and error investigations were carried out in Europe and Australia from about 1900 to 1925 (gessel 1969, Groman thus, the concept of fertilizing the forest is not new. However, it is only in recent years that advances in all fields of forestry and more favorable economic conditions have made operational forest fertilization feasible. Most of the forest soil fertility and tree nutrition research has occurred in the past 20 years, and large-scale forest fertilization began only in the last decade. 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.