Black Hills Ponderosa Pine Susceptible to Southwestern Dwarfmistletoe (Classic Reprint) PDF Download
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Author: Frank G. Hawksworth
Publisher: Forgotten Books
ISBN: 9780260863935
Category : Business & Economics
Languages : en
Pages : 394
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Book Description
Excerpt from Black Hills Ponderosa Pine Susceptible to Southwestern Dwarfmistletoe The pruning study might have been more meaningful if trees had been pruned to leave Specified percentages of tree height in live crown. Average percentages of tree height in live crown did vary with intensity of pruning (table For each combination of thinning and pruning, however, there was a wide vari ation in percentage of residual crown. 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: Frank G. Hawksworth
Publisher: Forgotten Books
ISBN: 9780260863935
Category : Business & Economics
Languages : en
Pages : 394
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Book Description
Excerpt from Black Hills Ponderosa Pine Susceptible to Southwestern Dwarfmistletoe The pruning study might have been more meaningful if trees had been pruned to leave Specified percentages of tree height in live crown. Average percentages of tree height in live crown did vary with intensity of pruning (table For each combination of thinning and pruning, however, there was a wide vari ation in percentage of residual crown. 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: Frank G. Hawksworth
Publisher:
ISBN:
Category : Dwarf mistletoes
Languages : en
Pages : 1
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Book Description
Author: Lake S. Gill
Publisher: Forgotten Books
ISBN: 9781527853133
Category :
Languages : en
Pages : 34
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Book Description
Excerpt from Dwarfmistletoe of Ponderosa Pine in the Southwest Since dwarfmistletoe is a natural component of the vegetation in the ponderosa pine type, it is sometimes regarded as a relatively harmless pest. The viewpoint is perhaps tenable as a broad ecological concept but can hardly be considered a paractical one where a particular infected stand must be preserved and.maintained indefinitely for aesthetic or economic purposes. Although dwarfmistletoe does not aten the existence of ponderosa pine as a species, in certain localities it has rendered stands unproductive, unsightly some cases has favored invasion by woodland - type or other species. The fact that some infected stands have given fair to'good yields might also cause one to assume that future yields of the same quantity and quality can be expected. If such were the case, the apparent loss in increment due to dwarfmistletoe might not warrant the cest of Special control.measures. On the other hand, if one considers the insidious aggressiveness of this parasite it is more likely that once it has built up a sizeable population its effect on yield will be pro gressively detrimental in the future and will lead eventually to complete loss. 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: Mary Lou Fairweather
Publisher:
ISBN:
Category : Dwarf mistletoes
Languages : en
Pages : 8
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Book Description
Author: Jerome S. Beatty
Publisher:
ISBN:
Category : Pineland dwarf mistletoe
Languages : en
Pages : 8
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Book Description
Author: L. J. HEIDMANN
Publisher:
ISBN: 9781390541342
Category :
Languages : en
Pages : 0
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Book Description
Author: Stuart R. Andrews
Publisher:
ISBN:
Category : Dwarf mistletoes
Languages : en
Pages : 4
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Book Description
Author: Lewis F. Roth
Publisher: Forgotten Books
ISBN: 9781390434422
Category : Gardening
Languages : en
Pages : 38
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Book Description
Excerpt from Response of Dwarf Mistletoe-Infested Ponderosa Pine to Thinning, Vol. 2: Dwarf Mistletoe Propagation Population trends of western dwarf mistletoe were examined in 54 parasitized ponderosa pine saplings for 13 years, both before and after release of advanced regeneration by removal of the overstory and, without discriminating against trees with mistletoe, thinning the understory thickets to 250 trees per acre. 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: Helen M. Maffei
Publisher:
ISBN:
Category : Dwarf mistletoes
Languages : en
Pages : 224
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Book Description
"Dwarf mistletoe (Arceuthobium vaginatum subsp. cryptopodum (Engelm.) Hawksworth and Wiens) infestation results in severe loss of wood volume in the ponderosa pine forests (Pinus ponderosa Laws.) of Colorado. In this research equations were developed which describe the relationship between dwarf mistletoe incidence, severity and stand structure. The effect and inter-relationship between inter-tree competition and dwarf mistletoe was also described for irregular, multiaged stands using growth and mortality of two-inch diameter classes as predetermined response variables. Stand structure had a significant effect (P .05) on the relationship between dwarf mistletoe incidence and severity. The ratio of the percent trees infected to stand dwarf mistletoe rating (DMR) was significantly higher for even-aged stands than for multi-aged stands. A component of total stand basal area was used to describe inter-tree competition. BASL, which is the sum of the basal area of the trees in a given size class plus basal area of all trees of larger d.b.h., was a useful predictor of competition for small trees (d.b.h.
Author: Donald C. Markstrom
Publisher: Forgotten Books
ISBN: 9780365543084
Category : Technology & Engineering
Languages : en
Pages : 20
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Book Description
Excerpt from Cord, Volume, and Weight Relationships for Small Ponderosa Pine Trees in the Black Hills Figure 1. - Study trees were selected from 10 sampling plots in the Black Hills of South Dakota and Wyoming. 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.
