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Excerpt from Seven-Year Response of 35-Year-Old Douglas-Fir to Nitrogen Fertilizer In both fertilized and unfertilized stands, part of the increase in average d.b.b. Was due to mortality. In addition to providing more growing space to surviving trees, mortality caused an immediate increase in average d.b. H. That was not a result of growth, but rather the result of losses of smaller-than-average trees. 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.