Forest Trees for Biochar and Carbon Sequestration: Production and Benefits

Rockwood, D. L.; Ellis, Martin F.; Liu, Ruliang; Zhao, Fengliang; Fabbro, Kyle W.; He, Zhenli; Derbowka, David R.

doi:10.5772/intechopen.92377

Cited by 11 publications

(15 citation statements)

References 42 publications

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“…Through 81 months, the higher 2471 tree/ha density increased the yield of intensively managed EH1 [7]. Maximum annual biomass yields and time to those maxima were directly and inversely, respectively, related to planting density: >58 green Mg/ha/year in 3.7 years at 2471 trees/ha vs. 44 at 5.0 years for 1181 trees/ha.…”

Section: Eh1 Planting Density Studymentioning

confidence: 95%

“…Planting density consistently influenced tree size, and the highest planting density had the smallest tree DBH at the 47-month harvest of the original rotation ( [7], Table 7). However, carbon sequestration at 47 months was greatest at the 3588 density.…”

Section: Eh1 Fertilizer-planting Density-coppicing Studymentioning

confidence: 99%

“…Soil amendments in WB 5E caused large early soil nutrient, tree nutrient, and tree growth responses by three E. grandis cultivars [7], with sequestration of up to 34 Mg/ ha of C in 37 months with GE + BC (Table 9). GE and especially BC + GE greatly enhanced the nutrient properties of this inherently poor sandy soil.…”

Section: E Grandis In Wbsmentioning

confidence: 99%

“…In subtropical central and southern Florida, USA, (annual rainfall of ~1400 mm mainly during the summer, average maximum temperature of ~28°C, average minimum temperature of 18°C, and lowest temperature of −2°C), eucalypts have numerous potential applications. We previously described their potential for maximizing SRWC productivity through genetic improvement and site amendments, such as BC [7]. On former citrus and phosphate mined lands, E. grandis cultivars may have maximum mean annual increments (MAI max ) up to 78.2 green Mg/ha/year with an internal rate of returns (IRR) over 10% when grown as SRWCs [8].…”

Section: Introductionmentioning

confidence: 99%

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Carbon Sequestration by Eucalypts in Florida, USA: Management Options Including Biochar and Associated Economics

Rockwood¹,

Fabbro²,

Ellis³

et al. 2022

Carbon Sequestration

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Growth and economic models for E. grandis in mulch wood rotations, for E. grandis and E. grandis x E. urophylla cultivars grown as short-rotation woody crops (SRWC), including coppicing, for E. grandis in windbreaks (WB), with and without soil amendments including biochar (BC) and the slow-release fertilizer Green Edge (SRF, GE), and for E. grandis in dendroremediation applications estimated the above- and below-ground carbon sequestration potentials of these management options. The cultivars may sequester over 10 Mg of C/ha/year as SRWCs. Under assumed management costs and market conditions, SRWC management with BC is more profitable than operational culture if BC application costs are ≤$450/Mg. Longer rotations with less intensive management result in lower but still considerable sequestration and economic benefit. In WBs, E. grandis cultivars may sequester up to 34 Mg of C/ha in 3 years, with additional sequestration by amending soil with BC, GE, and BC + GE. Amending soil with BC derived from eucalypts is both a long-term sequestration strategy and an opportunity to increase plantation and crop productivity. Demand for sustainably produced BC is growing due to multiple applications beyond soil carbon sequestration.

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Section: Eh1 Planting Density Studymentioning

confidence: 95%

Section: Eh1 Fertilizer-planting Density-coppicing Studymentioning

confidence: 99%

Section: E Grandis In Wbsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Carbon Sequestration by Eucalypts in Florida, USA: Management Options Including Biochar and Associated Economics

Rockwood¹,

Fabbro²,

Ellis³

et al. 2022

Carbon Sequestration

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“…Properties of biochar made from Florida C. torelliana and E. amplifolia trees with Polchar biochar (adapted from[19]). …”

mentioning

confidence: 99%

Eucalyptus Amplifolia and Corymbia Torelliana in the Southeastern USA: Genetic Improvement and Potential Uses

Rockwood

Huber²,

Crawford³

et al. 2022

Forests

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Eucalyptus amplifolia and Corymbia torelliana genetic improvement has been conducted in the lower southeastern USA by UF and collaborators since 1980. The collective accomplishments in genetic resources and potential commercial uses are summarized. For example, fast-growing, freeze-resilient E. amplifolia seeds are provided by 1st and 2nd generation seedling seed orchards (SSO) and a 2nd generation clonal seed orchard (CSO), while C. torelliana seed are available from 1st and 2nd generation SSOs. Breeding values (BV) have been developed for guiding the deployment of improved genotypes. Collaborative genetic improvement of these species is ongoing, including testing E. amplifolia in 11 countries and development of hybrid clones. Short Rotation Woody Crop (SRWC) systems may increase productivity and extend uses beyond conventional mulchwood to products such as medium density fiberboard (MDF), biochar, and energywood, while other possible applications include honey production, windbreaks, dendroremediation, and carbon sequestration. C. torelliana may be paired with E. grandis in two-row windbreaks to maximum windbreak effectiveness and may sequester as much carbon as E. grandis.

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