Journal Article

FZJ-2018-07500

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Historical charcoal additions alter water extractable, particulate and bulk soil C composition and stabilization

Hofmann, D.FZJ* ; Berns, A. E.FZJ* ; Meyer, N. ; Bol, R.FZJ* ; Borchard, N. ; Abdelrahman, H. (Corresponding author)

2018
Wiley-VCH Weinheim

This record in other databases:    

Please use a persistent id in citations: doi:10.1002/jpln.201800261

Abstract: The objective of this work was to investigate the chemical composition and thequantitative changes in soil organic matter (SOM) fractions in response to multiple historical inputs of charcoal that ceased >60 years ago. The topsoil (0–5 cm) and subsoil(5–20 cm) samples of charcoal enriched soils and the unamended reference soils wereassessed for C and N contents in bulk soil, particulate organic matter (POM) fractionsand water extractable organic matter (WEOM). The SOM molecular characteristicswere investigated in the solid phase by nuclear magnetic resonance (NMR) and in theWEOM by Fourier transform ion cyclotron resonance mass spectrometry (FT-ICR-MS).Formerly added charcoal additions reduced the extracted amount of WEOM and alteredPOM pattern: an increased proportion of C and N stored in coarse, intermediate, andfine POM relative to corresponding total C and N was found in subsoils. In contrast, Cand N stored in the residual fraction (<20 μm) decreased. NMR results revealed ahigher aromaticity of SOM in charcoal enriched soils, while the FT-ICR-MS resultsindicated an increased presence of lignin- and tannin-like compounds in the WEOM ofthese soils. Former charcoal additions enhanced soils capacity to retain and stabilize Cand N. Particularly, the presence of charcoal particles elevated C and N stored in largePOM fractions >20 μm, which presumably increases soil porosity and thus the soils’capacity to retain water.

---

Contributing Institute(s):

1. Agrosphäre (IBG-3)

Research Program(s):

1. 255 - Terrestrial Systems: From Observation to Prediction (POF3-255) (POF3-255)

Appears in the scientific report 2018

---

Database coverage:
; BIOSIS Previews ; Clarivate Analytics Master Journal List ; Current Contents - Agriculture, Biology and Environmental Sciences ; Ebsco Academic Search ; IF < 5 ; JCR ; NCBI Molecular Biology Database ; Nationallizenz ; SCOPUS ; Science Citation Index ; Science Citation Index Expanded ; Web of Science Core Collection

---