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Excerpt from Silvicultural Management of Black Spruce in Minnesota Figure 2. - Annual consumption of spruce pulpwood in Minnesota. It is esti mated that 85 percent of this was black spruce. (compiled from Bureau of the Census and U. S. Forest Service data.) 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.
Excerpt from Natural Regeneration of Swamp Black Spruce in Minnesota Under Various Cutting Systems However, when the evidence is correlated with previous work at the Station and elsewhere, plus silvical information on the species, a pattern emerges. Any silvicultural system must provide for satisfactory regenera tion or ultimately it will fail. Of course, growth and yield of the stands, and costs and returns for the total operation are also crucial factors in choosing a cutting system. But economic decisions are only as sound as the biological information upon which they rest. This report is intended primarily as a contribution to silvicultural knowl edge of the regeneration phase of swamp spruce management. 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.