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Forests
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Biochar—What Still Needs to Be Done?
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Biochar—What Still Needs to Be Done?

A special issue of Forests (ISSN 1999-4907). This special issue belongs to the section "Forest Soil".

Deadline for manuscript submissions: closed (31 August 2022) | Viewed by 1668

Special Issue Editor

Prof. Dr. Bruno Glaser

E-Mail Website
Guest Editor
Soil Biogeochemistry, Institute of Agricultural and Nutritional Sciences, Martin-Luther-University Halle-Wittenberg, von-Seckendorff-Platz 3, 06120 Halle (Saale), Germany
Interests: biochar; Terra Preta; soil processes; paleoecology; global change; stable isotopes
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Currently, there are more than 10,000 publications about biochar. In several meta-analyses, the overall positive effects of biochar as an option for soil improvement, the sustainable management of natural resources, and climate change mitigation have been impressively demonstrated. However, there are a few issues yet to be addressed.

In this Special Issue, we aim to expand our knowledge on the long-term effects of biochar (> 10 years), including its effects on plant, animal, and human physiology and food ingredients. Further innovative sources (e.g., sewage sludge) and uses (e.g., construction material) of biochar may also be addressed.

Prof. Dr. Bruno Glaser
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Forests is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • closing nutrient cycles
  • sustainable management of natural resources
  • C sequestration
  • climate change mitigation
  • biochar

Published Papers (1 paper)

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Research

12 pages, 1248 KiB  
Article
Net Carbon Balance between Priming and Replenishment of Soil Organic Carbon with Biochar Addition Regulated by N Addition Differing in Contrasting Forest Ecosystems
by Zhaolin Sun, Qingkui Wang and Yifan Zhu
Forests 2022, 13(10), 1710; https://doi.org/10.3390/f13101710 - 17 Oct 2022
Viewed by 1361
Abstract
The replenishment and priming effect (PE) are two decisive processes that determine the carbon (C) sequestration potential of biochar. However, how increased nitrogen (N) availability affect these two processes and the consequent net C balance remains poorly understood. By collecting soils from three [...] Read more.
The replenishment and priming effect (PE) are two decisive processes that determine the carbon (C) sequestration potential of biochar. However, how increased nitrogen (N) availability affect these two processes and the consequent net C balance remains poorly understood. By collecting soils from three forest ecosystems (deciduous broad-leaf forest (DBF), evergreen coniferous forest (ECF), and evergreen broad-leaf forest (EBF)), we conducted a 365-day incubation experiment by adding 13C-labelled biochar plus five rates of inorganic N (0 to 15% N of soil total N). The -results showed that N addition significantly stimulated the early period (0–48 days) but did not affect the late period (49–365 days) of biochar decomposition. The effect of N addition on PE varied largely with the forest type and decomposition period; N addition significantly enhanced the negative PE -in both periods in DBF and at the late period in EBF, whereas it stimulated positive PE in the early period in EBF and ECF. At the end of incubation, the addition of biochar caused net C accumulation across all treatments due to the huge proportion of biochar (98.1%–98.9% of added biochar) retained in soils and the negative or neutral cumulative PE (−11.25–0.35 g C kg−1 SOC), and the magnitude of net C balance increased linearly with the N addition rate in DBF and EBF. Collectively, the results of this study indicate that biochar input can contribute to soil C sequestration and that N addition can enhance the C sequestration potential of biochar. Full article
(This article belongs to the Special Issue Biochar—What Still Needs to Be Done?)
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