Long term growth responses of loblolly pine to optimal nutrient and water resource availability

Albaugh, Timothy J.; Allen, H. Lee; Dougherty, Phillip M.; Johnsen, Kurt H.

doi:10.1016/j.foreco.2004.01.002

Cited by 217 publications

(198 citation statements)

References 34 publications

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“…3). These results are in line with Albaugh et al (2004) who reported 119% and 23% increases in stem mass as result of fertilization and irrigation respectively. During this early stage of plant development, increases in water and nutrient availability are positive for establishment and growth, but resource allocation is directed towards establishment especially via the production of fine roots (Coyle and Coleman, 2005).…”

Section: Effect Of Resource Availability On Growthsupporting

confidence: 92%

“…4) indicates improved efficiency with increased fertilization and irrigation. Previous studies of the growth efficiency of fertilizer loblolly pine and slash pine found sustained increases (Albaugh et al, 2004) or increases that disappeared as the stand grew older (Jokela and Martin, 2000;Will et al, 2002). Improvements in biomass growth efficiency observed in this study can be attributed to improvements in photosynthetic abilities and a decrease in stomatal limitation due to the effect of water stress (Trichet et al, 2008).…”

Section: Effect On Resource Availability On Foliar Nutrient Content Asupporting

confidence: 51%

“…Large increases in stem volume were also obtained on a 10-year old stand of Radiata pine (Pinus radiata) in Australia (Snowdon and Benson, 1992). In the southeastern United States, combining appropriate levels of fertilizers and irrigation resulted in 100% and 150% increases in leaf area index and current annual stem volume increment (Albaugh et al, 2004;Trichet et al, 2008). Increasing the rate of fertilization at the transplant stage can accelerate the shoot and root growth of the plant and modify the nutrient content of tissues, therefore increasing the amount of available reserves (Grossnickle, 2000).…”

Section: Introductionmentioning

confidence: 93%

“…67 (2010) 602 enhanced photosynthesis and explains the strong height, radial growth, and biomass growth response observed in this study. Previous studies manipulating nutrients and water levels have shown that increased height, diameter, and volume production were the result of improved production of photosynthates generated by greatly increased leaf area due to the establishment of non-limiting conditions based on irrigation and fertilization (Albaugh et al, 2004;Bergh et al, 1999). Past studies focused on the new growth of established trees, and the response occurred mainly in new shoots leading to the proposition that this was a reflection of withdrawal and retranslocation of resources to sinks of new growth (Malik and Timmer, 1998;McAlister and Timmer, 1998;Xu and Timmer, 1999).…”

Section: Effect Of Resource Availability On Growthmentioning

confidence: 99%

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Morphology and foliar chemistry of containerized Abies fraseri (Pursh) Poir. seedlings as affected by water availability and nutrition

Nzokou

Cregg

2010

Ann. For. Sci.

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Abstract• We present the results of a two-year (2007)(2008) greenhouse study investigating the effect of water availability and nitrogen fertilization on the growth, biomass partitioning, and foliar nutrient content of Abies fraseri (Pursh) Poir.• Fertilizer and moisture content (irrigation) were varied in a factorial experiment combining four levels of irrigation and three levels of fertilization to evaluate growth and foliar nutrient content. In addition, a numerical optimization was used to estimate appropriate levels of each factor necessary to achieve simulated goals for response variables.• Irrigation increased the height growth by 12 to 35% depending on the fertilization treatment (p = 0.0001). Fertilization increased height growth by 10 to 26% (p = 0.02). A similar response was observed for stem diameter growth (SDG). Total biomass accumulation increased as result of positive response of stem and root biomass development, and foliar nitrogen content was positively affected by nitrogen fertilization and negatively affected by irrigation. The numerical optimization for simulated target growth and nitrogen content responses produced levels of input combinations with high desirability factors to achieve the target responses.• These results suggest that nutrient addition is a strong determining factor for early development of this species. The improved growth efficiency in this study is likely attributed to a combination of factors including, improved photosynthetic capacity, decreased stomatal limitations, or increased resource allocation to stems.

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Section: Effect Of Resource Availability On Growthsupporting

confidence: 92%

Section: Effect On Resource Availability On Foliar Nutrient Content Asupporting

confidence: 51%

Section: Introductionmentioning

confidence: 93%

Section: Effect Of Resource Availability On Growthmentioning

confidence: 99%

See 2 more Smart Citations

Morphology and foliar chemistry of containerized Abies fraseri (Pursh) Poir. seedlings as affected by water availability and nutrition

Nzokou

Cregg

2010

Ann. For. Sci.

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“…1a). This was not consistent with many results reported for temperate forests (Murthy et al 1996;Maier et al 2002;Albaugh et al 2004;Choi et al 2005). The possible reasons are as follows.…”

Section: Microbial Biomass C and Water Soluble Organic C In Surface Scontrasting

confidence: 80%

13C abundance, water-soluble and microbial biomass carbon as potential indicators of soil organic carbon dynamics in subtropical forests at different successional stages and subject to different nitrogen loads

Fang

Cheng

et al. 2009

Plant Soil

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Chronic atmospheric nitrogen deposition affects the cycling of carbon (C) and nitrogen (N) in forest ecosystems, and thereby alters the stable C isotopic abundance of plant and soil. Three successional stages, disturbed, rehabilitated and mature forests were studied for their responses to different nitrogen input levels. N-addition manipulative experiments were conducted at low, medium and high N levels. To study the responses of C cycling to N addition, the C concentration and 13 C natural abundances for leaf, litter and soil were measured. Labile organic carbon fractions in mineral soils were measured to quantify the dynamics of soil organic C (SOC). Results showed that three-year continuous N addition did not significantly increase foliar C and N concentration, but decreased C/N ratio and enriched 13 C in N-rich forests. In addition, N addition significantly decreased microbial biomass C, and increased water soluble organic C in surface soils of N-rich forests. This study suggests that N addition enhances the water consumption per unit C assimilation of dominant plant species, restricts SOC turnover in N-poor forests at early and medium successional stages (thus favored SOC sequestration), and vice versa for N-rich mature forests.

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Assimilation of repeated woody biomass observations constrains decadal ecosystem carbon cycle uncertainty in aggrading forests

et al. 2017

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Forest carbon sink strengths are governed by plant growth, mineralization of dead organic matter, and disturbance. Across landscapes, remote sensing can provide information about aboveground states of forests and this information can be linked to models to estimate carbon cycling in forests close to steady state. For aggrading forests this approach is more challenging and has not been demonstrated. Here we apply a Bayesian approach, linking a simple model to a range of data, to evaluate their information content, for two aggrading forests. We compare high information content analyses using local observations with retrievals using progressively sparser remotely sensed information (repeated, single, and no woody biomass observations). The net biome productivity of both forests is constrained to be a net sink with <2 Mg C ha−1 yr−1 variation across the range of inputs. However, the sequestration of particular carbon pool(s) varies with assimilated biomass information. Assimilation of repeated biomass observations reduces uncertainty and/or bias in all ecosystem C pools not just wood, compared to analyses using single or no stock information. As verification, our repeated biomass analysis explains 78–86% of variation in litter dynamics at one forest, while at the second forest total dead organic matter estimates are within observational uncertainty. The uncertainty of retrieved ecosystem traits in the repeated biomass analysis is reduced by up to 50% compared to analyses with less biomass information. This study quantifies the importance of repeated woody observations in constraining the dynamics of both wood and dead organic matter, highlighting the benefit of proposed remote sensing missions.

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Long term growth responses of loblolly pine to optimal nutrient and water resource availability

Cited by 217 publications

References 34 publications

Morphology and foliar chemistry of containerized Abies fraseri (Pursh) Poir. seedlings as affected by water availability and nutrition

Morphology and foliar chemistry of containerized Abies fraseri (Pursh) Poir. seedlings as affected by water availability and nutrition

13C abundance, water-soluble and microbial biomass carbon as potential indicators of soil organic carbon dynamics in subtropical forests at different successional stages and subject to different nitrogen loads

Assimilation of repeated woody biomass observations constrains decadal ecosystem carbon cycle uncertainty in aggrading forests

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