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Cited by 190Soil Carbon and Nitrogen DynamicsBioenergy crop production and managementForest ecology and management

Changes in soil carbon and nutrient pools along a chronosequence of poplar plantations in the Columbia Plateau, Oregon, USA

Sartori, Fabio, Lal, Rattan, Ebinger, Michael H., Eaton, James A.·2007·Agriculture, Ecosystems & Environment
DOI 10.1016/j.agee.2007.01.026
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Abstract

Establishment of short-rotation woody crop (SRWC) plantations for meeting the demand of wood and bioenergy production necessitates reclamation of agricultural lands and desert soils, such as those in the southern Columbia Plateau of Oregon, USA. The effects of plantation management on soil carbon (C) storage and nutrient concentration were evaluated, using a chronosequence of poplar (Populus spp.) stands on soils of eolian origin (Xeric Torripsamments). Stands of ages 1, 3, 4, 7, 9, and 10 years (n = 3 per stand age), as well as adjacent agricultural and desert lands, were compared based on soil C, inorganic C (SIC), total nitrogen (N), and nutrient concentrations within the 0- to 50-cm soil depth. The 7- through 10-year-old stands that were in a first-rotation cycle were irrigated and fertilized. The 1- through 4-year-old stands in a second-rotation cycle received a mulch application treatment in addition to the irrigation and fertilization treatments. At age 11 years, the projected plantation C (147.5 Mg ha-1) accumulated almost entirely in the aboveground biomass (62.2%), forest floor (24.3%), and roots (11.7%). There were no significant increases in the mineral soil C and N pools with stand age, despite the presence of increasing trends within the surface layer. The accumulation of the mineral soil C pool (approximately 1.8%), from the first- (23.5 ± 1.7 Mg C ha-1) to the second-rotation stands (26.3 ± 3.5 Mg C ha-1), was partially offset by a loss of SIC due to irrigation. The SIC pool had a decreasing trend, which was related to dissolution of calcite along the soil profile, from the first- (16.7 ± 3.4 Mg C ha-1) to the second-rotation stands (8.4 ± 5.0 Mg C ha-1). Soil pH (r > 0.6) and exchangeable acidity (r = -0.5) patterns were dependent upon the concentration of exchangeable Ca2+. Soil Mg2+ and K+ concentrations were correlated with soil C concentration in the surface layer (r = 0.5). In coarse-textured soils, a decadal time scale was insufficient to measure significant changes in the mineral soil C pool. Carbon benefits may be gained, however, in aboveground (tree and forest floor) and belowground (roots) biomass accumulations. SRWC plantations are an effective land-use option to restore degraded lands of arid regions.

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  • On average, for each 0.6 kg of fossil fuel carbon used in cultivation, 1 kg of carbon is produced as biomass.

    “on average, for each 0.6 kg of fossil fuel C used in cultivation, 1 kg of C is produced as biomass [5]”

    From Carbon Sequestration by Perennial Energy Crops: Is the Jury Still Out? (2015) · cites this paper as [5]

  • Estimates of carbon sequestered under perennial energy crops range between 0.6 and 3.0 Mg C ha−1 year−1.

    “To date, estimates of C sequestered under PECs range between 0.6 and 3.0 Mg C ha−1 year−1 [1, 5].”

    From Carbon Sequestration by Perennial Energy Crops: Is the Jury Still Out? (2015) · cites this paper as [5]

  • For different species in short-rotation woody crop systems, 25-35% of total tree biomass was found in the roots, with 10% specified as fine roots, confirmed for a 10-year-old poplar plantation.

    “For different species in SRWC systems, 25–35 % of total tree biomass was found in the roots [87], with 10 % specified as fine roots, confirmed for a 10-year-old poplar plantation [5].”

    From Carbon Sequestration by Perennial Energy Crops: Is the Jury Still Out? (2015) · cites this paper as [5]

  • Values for fine roots from willow and poplar grown as short-rotation forestry are lower than for short-rotation coppice.

    “Several authors investigated fine roots from willow and poplar grown as SRC [5, 30, 81, 82, 88, 89] and SRF [72, 90–93], values for the latter being lower (Table 1).”

    From Carbon Sequestration by Perennial Energy Crops: Is the Jury Still Out? (2015) · cites this paper as [5]

  • It is disputed whether fine roots contribute most to soil organic carbon in woody systems due to their relatively rapid decomposition.

    “It is disputed whether fine roots contribute most to SOC in woody systems due to their relatively rapid decomposition [5, 99, 126].”

    From Carbon Sequestration by Perennial Energy Crops: Is the Jury Still Out? (2015) · cites this paper as [5]

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Authors
Sartori, F., Lal, R., Ebinger, M. H., & Eaton, J. A.
Affiliations
  • The Ohio State University (US)
  • Los Alamos National Laboratory (US)
Corresponding author
Sartori, Fabio
ORCID
Lal, Rattan
Venue
Agriculture, Ecosystems & Environment
Publisher
Elsevier BV
Published
2007-11
Volume
122
Issue
3
Pages
325-339
ISSN
0167-8809 (ISSN-L)
DOI
10.1016/j.agee.2007.01.026
OpenAlex
W2007524801
Cited by
190
References
82
Citations by year
2026: 2 · 2025: 10 · 2024: 13 · 2023: 13 · 2022: 13 · 2021: 12 · 2020: 5 · 2019: 14 · 2018: 15 · 2017: 13 · 2016: 15 · 2015: 7 · 2014: 15 · 2013: 15 · 2012: 11
FWCI
7.08
Type
journal article
Language
en
Open access
closed
Licence
Locations
Agriculture Ecosystems & Environment (publishedVersion)
Funders
  • Ohio State University
  • National Energy Technology Laboratory
  • Los Alamos National Laboratory
Topics
  • Life Sciences › Agricultural and Biological Sciences › Soil Science › Soil Carbon and Nitrogen Dynamics
  • Life Sciences › Agricultural and Biological Sciences › Agronomy and Crop Science › Bioenergy crop production and management
  • Physical Sciences › Environmental Science › Nature and Landscape Conservation › Forest ecology and management
Keywords
soil carbon, soil nutrients, poplar plantations, short rotation woody crops, chronosequence, mineral soil carbon, inorganic carbon, soil nitrogen, mulch, irrigation, fertilization, calcite dissolution, soil pH, desert soils, Columbia Plateau, bioenergy, plantation management, soil carbon sequestration, aboveground biomass

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