Ecology and development of douglas-fir seedlings and associated plant species in a coast range plantation
18 páginas
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Format: | Libro biblioteca |
Language: | Inglés |
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USDA Forest Service. Pacific Southwest Research Station
2011-11-15
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Subjects: | CONTROL, ESTADOS UNIDOS, HERBICIDAS, MALEZAS, MANEJO INTEGRADO DE PLAGAS, PINO OREGON, Pseudotsuga menziesii, |
Online Access: | https://bibliotecadigital.infor.cl/handle/20.500.12220/7677 |
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dig-infor-cl-20.500.12220-76772018-12-10T15:38:17Z Ecology and development of douglas-fir seedlings and associated plant species in a coast range plantation McDonald, Philip M. Fiddler, G.O. CONTROL ESTADOS UNIDOS HERBICIDAS MALEZAS MANEJO INTEGRADO DE PLAGAS PINO OREGON Pseudotsuga menziesii 18 páginas On an average site in northern coastal California, a tanoak-mixed shrub community was given several treatments (manual release one, two, and three times; a combination chainsaw and cut surface chemical treatment; two foliar chemicals; and a tank mix of the two chemicals) to study its development over an 11-year period in both a broadcast-burned (untreated control) and released (treated) condition. The chemicals were 2,4-D, Garlon 3A, and Garlon 4, each applied two times. In addition to Douglas-fir, data are presented individually for the four most abundant and well distributed species (tanoak, hairy manzanita, huckleberries, and rhododendron), and for these plus two more of the tallest and most abundant (but poorly distributed) species (snowbrush, elderberry) combined. At the study's end in 1991, combined shrubs in the control had a mean density of 4,733 plants per acre, foliar cover of 16,800 ft2 per acre, and height of 9.5 feet. In contrast, combined shrubs in one of the most effective treatments for controlling them-2,4-D-had a mean density of 2,000 plants per acre, foliar cover of 2,600 ft2 per acre and height of 5.5 feet at the end of the study. Here, mean Douglas-fir diameter was 4.0 inches at 12 inches above mean ground line, height averaged 18.7 feet, and mean foliar cover was 34,800 ft2 per acre. The cost (including chemical) was $77 per acre. The biological and economical data in this paper provide the ecosystem manager, wildlife biologist, and fuels manager with knowledge on how to attain plant communities with different density and development potentials, and the cost of creating them. url.ie/dihh 2018-09-25T14:30:35Z 2018-09-25T14:30:35Z 2011-11-15 1999 Libro https://bibliotecadigital.infor.cl/handle/20.500.12220/7677 Inglés Research Paper PSW-RP USDA Forest Service. Pacific Southwest Research Station |
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Biblioteca del INFOR Chile |
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Inglés |
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CONTROL ESTADOS UNIDOS HERBICIDAS MALEZAS MANEJO INTEGRADO DE PLAGAS PINO OREGON Pseudotsuga menziesii CONTROL ESTADOS UNIDOS HERBICIDAS MALEZAS MANEJO INTEGRADO DE PLAGAS PINO OREGON Pseudotsuga menziesii |
spellingShingle |
CONTROL ESTADOS UNIDOS HERBICIDAS MALEZAS MANEJO INTEGRADO DE PLAGAS PINO OREGON Pseudotsuga menziesii CONTROL ESTADOS UNIDOS HERBICIDAS MALEZAS MANEJO INTEGRADO DE PLAGAS PINO OREGON Pseudotsuga menziesii McDonald, Philip M. Fiddler, G.O. Ecology and development of douglas-fir seedlings and associated plant species in a coast range plantation |
description |
18 páginas |
format |
Libro |
topic_facet |
CONTROL ESTADOS UNIDOS HERBICIDAS MALEZAS MANEJO INTEGRADO DE PLAGAS PINO OREGON Pseudotsuga menziesii |
author |
McDonald, Philip M. Fiddler, G.O. |
author_facet |
McDonald, Philip M. Fiddler, G.O. |
author_sort |
McDonald, Philip M. |
title |
Ecology and development of douglas-fir seedlings and associated plant species in a coast range plantation |
title_short |
Ecology and development of douglas-fir seedlings and associated plant species in a coast range plantation |
title_full |
Ecology and development of douglas-fir seedlings and associated plant species in a coast range plantation |
title_fullStr |
Ecology and development of douglas-fir seedlings and associated plant species in a coast range plantation |
title_full_unstemmed |
Ecology and development of douglas-fir seedlings and associated plant species in a coast range plantation |
title_sort |
ecology and development of douglas-fir seedlings and associated plant species in a coast range plantation |
publisher |
USDA Forest Service. Pacific Southwest Research Station |
publishDate |
2011-11-15 |
url |
https://bibliotecadigital.infor.cl/handle/20.500.12220/7677 |
work_keys_str_mv |
AT mcdonaldphilipm ecologyanddevelopmentofdouglasfirseedlingsandassociatedplantspeciesinacoastrangeplantation AT fiddlergo ecologyanddevelopmentofdouglasfirseedlingsandassociatedplantspeciesinacoastrangeplantation |
_version_ |
1767600769904672768 |