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Departamento Gestión de Conocimiento, Monitoreo y Prospección
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Long-Term Pinus radiata Productivity Gains from Tillage, Vegetation Control, and Fertilization
Indexado
WoS WOS:000358969700019
DOI 10.5849/FORSCI.14-207
Año 2015
Tipo artículo de investigación

Citas Totales

Autores Afiliación Chile

Instituciones Chile

% Participación
Internacional

Autores
Afiliación Extranjera

Instituciones
Extranjeras


Abstract



The effects of tillage, vegetation control, and fertilizer treatments applied at stand establishment of Pious radiata D. Don. at three sites (Sand, Clay, and Ash) in Chile were examined 10 years after planting. Selected sites were typical of sites that routinely received tillage as a normal part of site preparation operations in Chile. At each site, we used four blocks of a split plot design with whole plots testing tillage effects (none or subsoiling + bedding) and subplots testing a factorial combination of vegetation control (none or 2-year banded) and fertilization (boron at establishment or nitrogen, phosphorus, and boron at establishment + nitrogen, phosphorus, potassium, and boron after 2 years). We estimated the main effect growth responses, determined response types (Type A, B, C, D), and calculated main effect volume growth age shifts for each site. Vegetation control increased volume growth 7-99% through 10 years (Type A, B, or (responses), which resulted in volume age shifts of 3.4, 1.3, and 1.0 years for the Sand, Clay, and Ash sites, respectively. Fertilization increased volume growth at the Clay site (14%, Type A) and decreased volume growth at the Ash site (6%, Type D), with volume age shifts of 1.0 and 1.0 years for the Sand and Clay sites, respectively. Tillage increased survival at the Sand site and decreased height growth at the Ash site (4%, Type D) with volume age shifts of 0.9 and 0.1 years for the Sand and Ash sites, respectively. Vegetation control likely ameliorated water (Sand and Clay sites) and light (Ash site) limitations that were critical for improved growth. Fertilization addressed secondary nutrient limitations, especially on the Clay site. Tillage provided little benefit, likely because the sites were well drained and soil bulk density was not at a level where limitations to root growth would be found. When determining which treatments to apply, managers should have an understanding of what resources may be limiting and select the appropriate treatment to ameliorate those limitations in the most cost-effective manner. For sites similar to those in this study, vegetation control would likely ameliorate resource limitations in a cost-effective manner.

Revista



Revista ISSN
Forest Science 0015-749X

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Disciplinas de Investigación



WOS
Forestry
Scopus
Sin Disciplinas
SciELO
Sin Disciplinas

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Publicaciones WoS (Ediciones: ISSHP, ISTP, AHCI, SSCI, SCI), Scopus, SciELO Chile.

Colaboración Institucional



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Autores - Afiliación



Ord. Autor Género Institución - País
1 Albaugh, Timothy J. Hombre VIRGINIA POLYTECH INST & STATE UNIV - Estados Unidos
2 Álvarez, José Hombre Weyerhaeuser Co - Estados Unidos
3 RUBILAR-PONS, RAFAEL ALEJANDRO Hombre Universidad de Concepción - Chile
4 Fox, Tom Hombre VIRGINIA POLYTECH INST & STATE UNIV - Estados Unidos
5 Allen, Howard Lee Hombre ProFor Consulting - Estados Unidos
6 Stape, Jose L. Hombre N Carolina State Univ - Estados Unidos
7 Mardones, O. Hombre

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Origen de Citas Identificadas



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Citas identificadas: Las citas provienen de documentos incluidos en la base de datos de DATACIENCIA

Citas Identificadas: 9.09 %
Citas No-identificadas: 90.91 %

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Citas identificadas: Las citas provienen de documentos incluidos en la base de datos de DATACIENCIA

Citas Identificadas: 9.09 %
Citas No-identificadas: 90.91 %

Financiamiento



Fuente
Departamento de Silvicultura, Facultad de Ciencias Forestales, Universidad de Concepcion
Department of Forest Resources and Environmental Conservation at Virginia Polytechnic Institute and State University
Department of Forestry and Environmental Resources at North Carolina State University
Virginia Agricultural Experiment Station
Program McIntire Stennis of the National Institute of Food and Agriculture, US Department of Agriculture

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Agradecimientos



Agradecimiento
We appreciate support from Forest Productivity Cooperative members and especially Forestal Mininco for their role in the establishment and management of the trials central to this publication. We gratefully acknowledge the support provided by the Department of Forest Resources and Environmental Conservation at Virginia Polytechnic Institute and State University, the Departamento de Silvicultura, Facultad de Ciencias Forestales, Universidad de Concepcion, and the Department of Forestry and Environmental Resources at North Carolina State University. Funding for this work was provided in part by the Virginia Agricultural Experiment Station and the Program McIntire Stennis of the National Institute of Food and Agriculture, US Department of Agriculture. The use of trade names in this paper does not imply endorsement by the associated agencies of the products named nor criticism of similar ones not mentioned.

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