Systematic review of short-term growth responses of semi-mature black spruce and jack pine stands to nitrogen-based fertilization treatments

Newton, Peter F.; Amponsah, I.G.

doi:10.1016/j.foreco.2006.10.009

Cited by 29 publications

(20 citation statements)

References 37 publications

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“…The 95% confidence intervals for L * j were first calculated according to (3) and then reexpressed in arithmetic terms:…”

Section: Quantifying Early Yield Responses To Fvm Treatmentsmentioning

confidence: 99%

“…Although numerous case studies of individual experiments have clearly demonstrated the benefits of IFM treatments, collective summaries documenting the response of boreal species are limited. Consequently, as part of a larger quantitative synthesis regarding yield responses of boreal conifers to IFM treatments (e.g., tree improvement [2], forest fertilization [3], density management [4]), the objectives of this study were to (1) quantitatively summarize the early yield responses of black spruce (Picea mariana (Mill.) BSP) to forest vegetation management (FVM) treatments through a meta-analytical review of the scientific literature, and (2) given (1), project rotational outcomes of these responses employing a modified variant of the comprehensive growth, yield, and wood quality simulator, CROPLANNER [5,6].…”

Section: Introductionmentioning

confidence: 99%

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Yield Responses of Black Spruce to Forest Vegetation Management Treatments: Initial Responses and Rotational Projections

Newton

2012

International Journal of Forestry Research

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The objectives of this study were to (1) quantitatively summarize the early yield responses of black spruce (Picea mariana(Mill.) B.S.P.) to forest vegetation management (FVM) treatments through a meta-analytical review of the scientific literature, and (2) given (1), estimate the rotational consequences of these responses through model simulation. Based on a fixed-effects meta-analytic approach using 44 treated-control yield pairs derived from 12 experiments situated throughout the Great Lakes—St. Lawrence and Canadian Boreal Forest Regions, the resultant mean effect size (response ratio) and associated 95% confidence interval for basal diameter, total height, stem volume, and survival responses, were respectively: 54.7% (95% confidence limits (lower/upper): 34.8/77.6), 27.3% (15.7/40.0), 198.7% (70.3/423.5), and 2.9% (−5.5/11.8). The results also indicated that early and repeated treatments will yield the largest gains in terms of mean tree size and survival. Rotational simulations indicated that FVM treatments resulted in gains in stand-level operability (e.g., reductions of 9 and 5 yr for plantations established on poor-medium and good-excellent site qualities, resp.). The challenge of maintaining coniferous forest cover on recently disturbed sites, attaining statutory-defined free-to-grow status, and ensuring long-term productivity, suggest that FVM will continue to be an essential silvicultural treatment option when managing black spruce plantations.

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“…The 95% confidence intervals for L * j were first calculated according to (3) and then reexpressed in arithmetic terms:…”

Section: Quantifying Early Yield Responses To Fvm Treatmentsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Yield Responses of Black Spruce to Forest Vegetation Management Treatments: Initial Responses and Rotational Projections

Newton

2012

International Journal of Forestry Research

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“…Por tanto, la fertilización es una de las prácticas de manejo más efectivas para obtener respuestas en el incremento de la productividad (Newton & Amponsah, 2006). En Misiones, la respuesta del crecimiento de las especies forestales al agregado de fósforo y potasio es positiva (Lupi et al, 2000;Martiarena, Von Wallis, Domec, Fernández, & Knebel, 2008).…”

Section: Introductionunclassified

“…Thus, fertilization is one of the most effective management practices for obtaining increased productivity (Newton & Amponsah, 2006). In Misiones, the growth response of forest species to the addition of phosphorus and potassium is positive (Lupi et al, 2000;Martiarena, Von Wallis, Domec, Fernández, & Knebel, 2008).…”

Section: Introductionmentioning

confidence: 99%

EFECTO DE LA COMBINACIÓN DE TÉCNICAS DE ESTABLECIMIENTO SOBRE EL CRECIMIENTO INICIAL DE Grevillea robusta A. Cunn.

Martiarena¹,

Wallis²,

Fernández³

et al. 2013

Rev Cha Se Cie For y del Amb

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RESUMENE l efecto de la combinación de técnicas de establecimiento se evaluó sobre el crecimiento inicial de Grevillea robusta, en el norte de la provincia de Corrientes, Argentina. Los tratamientos incluyeron la combinación de dos factores. El primero de ellos aplicado previo a la plantación de G. robusta y consistió en el manejo de residuos con dos niveles: a) conservación de residuos y b) quema de residuos. El segundo factor consistió en la aplicación de fertilizante con tres niveles: a) sin aplicación de fertilizante, b) aplicación de fertilizante luego del establecimiento de la plantación y, c) aplicación de fertilizante después de un año del establecimiento de la plantación. La combinación de técnicas de establecimiento de la plantación modificó el crecimiento inicial de G. robusta. La mejor combinación fue la quema de residuos con fertilización durante el establecimiento. Con dicha combinación, la plantación logró un incremento en diámetro de 43.7 % a los 36 meses de edad, siendo superior que el obtenido con el tratamiento de conservación de residuos sin aplicación de fertilizante. ABSTRACTT he effect of establishment technique combinations on initial growth of Grevillea robusta was evaluated in the northern area of the province of Corrientes, Argentina. The treatments included the combination of two factors. The first one was applied previous to planting G. robusta and consisted of slash management with two levels: a) slash conservation and, b) slash burning. The second factor consisted of fertilizer application with three levels: a) unfertilized, b) fertilized after plantation establishment and, c) fertilized a year after plantation establishment. The plantation establishment technique combinations changed the initial growth of G. robusta. The best combination was slash burning with fertilization during establishment. With this combination, the plantation achieved a 43.7 % increase in diameter at 36 months of age, which was superior to that obtained with the slash conservation with no fertilization treatment.

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“…We 118 hypothesized that the vertical distribution of hybrid poplar roots would reflect the improved soil 119 conditions created by mounding, and that roots would respond to the nitrogen availability in the different 120 soil layers. A previous experiment under controlled conditions had suggested that root development of 121 hybrid poplars was particularly sensitive to soil conditions (Messier et al 2009), and soil N is the most 122 limiting nutrient in boreal systems (Fisher and Binkley 2000) where N additions were often shown to 123 improve tree growth (Newton and Amponsah 2006). The results should help increase our understanding 124 of the response of hybrid poplar trees to the spatial distribution of soil resources, as well as improve the 125 efficiency of silvicultural treatments such as soil management.…”

mentioning

confidence: 99%

Root production of hybrid poplars and nitrogen mineralization improve following mounding of boreal Podzols

et al. 2013

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Systematic review of short-term growth responses of semi-mature black spruce and jack pine stands to nitrogen-based fertilization treatments

Cited by 29 publications

References 37 publications

Yield Responses of Black Spruce to Forest Vegetation Management Treatments: Initial Responses and Rotational Projections

Yield Responses of Black Spruce to Forest Vegetation Management Treatments: Initial Responses and Rotational Projections

EFECTO DE LA COMBINACIÓN DE TÉCNICAS DE ESTABLECIMIENTO SOBRE EL CRECIMIENTO INICIAL DE Grevillea robusta A. Cunn.

Root production of hybrid poplars and nitrogen mineralization improve following mounding of boreal Podzols

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