Citation:

PANGAEA.993967 (DOI registration in progress)

Name: Soil physicochemical properties of the plot DPFL_14 (Pfeiffhausen, Germany) in 2016, 2020 and 2022
Published: 2026-09-04
License: https://creativecommons.org/licenses/by/4.0/
Keywords: Carbon; Nitrogen; pH total scale; physiochemical parameters

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Published: 2026-09-04

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Abstract:

As part of PhytOakmeter platform (www.phytoakmeter.de), soil chemical parameters were determined in 2016, 2020 and 2022. Soil pH was measured using a glass electrode in a 1:2.5 soil-to-0.01 M CaCl2 suspension after one hour of equilibration. Gravimetric soil moisture was assessed with a fully automated moisture analyzer (DBS60-3, KERN & SOHN GmbH, Balingen, Germany), here defined as soil moisture (MOI). Total nitrogen (TN) and total carbon (TC) contents in the soil were analyzed in triplicate through dry combustion using a Vario elemental analyzer (EL III, Elementar, Hanau, Germany), and the carbon-to-nitrogen ratio (TC/TN) was subsequently calculated from these values. To evaluate the potentially bioavailable soil organic carbon and nitrogen for microbial activity, hot water-extractable carbon and nitrogen (HWC and HWN, respectively) were determined following the methods of Ghani et al. (2003) and Schulz et al. (2011). Additionally, the labile organic carbon and nitrogen easily decomposable by soil microorganisms were measured as cold water-extractable carbon (CWC) and nitrogen (CWN) based on procedures described by Zsolnay (1996), Zakharova et al. (2015), and Schmidt et al. (2017). Ammonium and nitrate (NH4±N and NO3—N, respectively) were quantified, with their sum representing the total mineral nitrogen content (Nmin).

Keyword(s):

Carbon; Nitrogen; pH total scale; physiochemical parameters

Coverage:

Latitude: 51.629883 * Longitude: 11.706193

Date/Time Start: 2016-09-09T00:00:00 * Date/Time End: 2022-09-13T00:00:00

Event(s):

PhytOakmeter_DPFL_14_SoilChemistry (DPFL_SoilChemistry) * Latitude: 51.629883 * Longitude: 11.706193 * Date/Time Start: 2016-09-09T00:00:00 * Date/Time End: 2022-09-13T00:00:00 * Method/Device: Laboratory measurement

Parameter(s):

#	Name	Short Name	Unit	Principal Investigator	Comment
1	Location ID	Loc ID		Bouffaud, Marie-Lara
2	Tree ID	Tree ID		Bouffaud, Marie-Lara
3	DATE/TIME	Date/Time		Bouffaud, Marie-Lara	Geocode
4	pH	pH		Bouffaud, Marie-Lara	measured with 10g soil + 25ml CaCl2 0,01M (1:2,5)
5	Soil moisture	Soil moisture	%	Bouffaud, Marie-Lara
6	Nitrogen in ammonium	N-[NH4]+	mg/kg	Bouffaud, Marie-Lara
7	Nitrogen in nitrate	N-[NO3]-	mg/kg	Bouffaud, Marie-Lara
8	Nitrogen, inorganic	N inorg	mg/kg	Bouffaud, Marie-Lara	1:4 with 5g Boden + 20ml KCL 1M
9	Carbon, organic, extractable in hot water	HWEC	mg/kg	Bouffaud, Marie-Lara	Hot water extraction 1:5 with 5g soil+ 25 ml distl. H2O
10	Nitrogen, extractable in hot water	HWEN	mg/kg	Bouffaud, Marie-Lara	Hot water extraction 1:5 with 5g soil+ 25 ml distl. H2O
11	Carbon, organic/nitrogen ratio, hot water	Corg/N HW		Bouffaud, Marie-Lara	Hot water extraction 1:5 with 5g soil+ 25 ml distl. H2O
12	Carbon, organic	OC	mg/kg	Bouffaud, Marie-Lara	Cold water extraction 1:2 with 10 g soil + 20ml CaCl2 0,01M
13	Nitrogen, extractable in cold water	CWEN	mg/kg	Bouffaud, Marie-Lara	Cold water extraction 1:2 with 10 g soil + 20ml CaCl2 0,01M
14	Carbon, organic/nitrogen ratio	Corg/N		Bouffaud, Marie-Lara	Cold water extraction 1:2 with 10 g soil + 20ml CaCl2 0,01M
15	Carbon, organic, total	TOC	%	Bouffaud, Marie-Lara
16	Nitrogen, total	TN	%	Bouffaud, Marie-Lara
17	Carbon, organic, total/Nitrogen, total ratio	TOC/TN		Bouffaud, Marie-Lara

License:

Creative Commons Attribution 4.0 International (CC-BY-4.0)

Status:

Curation Level: Enhanced curation (CurationLevelC)

Size:

374 data points

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