Topsoil dilution by subsoil admixture had less impact on the SOC stock development than fertilizer form and soil erosion state
Current efforts to enhance the agroecosystems carbon (C) sink function for climate mitigation faced challenges, particularly with traditional measures having limited suitability for increasing soil organic carbon (SOC) stocks. One way out of this dilemma could be to create an additional stable soil C sink by inducing SOC under saturation in the topsoil. In the past, attempts were made by abrupt topsoil dilution through subsoil admixture by means of deep tillage but with varying degrees of success. This was partly due to a lack of knowledge about the impact of soil condition like erosion state and N fertilization form ensuring optimum C input into the soil on the desired additional SOC accumulation and partly due to the lack of suitable experimental approaches to record the effect of all relevant factors simultaneously. To help solve these problems, a three-factorial experimental field trial were established: I.) "moderate topsoil dilution" (diluted vs non-diluted), II.) "N fertilization form" (mineral, i.e., calcium ammonium nitrate and urea vs organic, i.e., digestate) and III.) "soil types" (Calcic Luvisol, Nudiargic Luvisol, and Calcaric Regosol) covering the typical range of erosion states in the hummocky ground moraine landscape of NE Germany. This datasets contains weather data, NDVI/RVI measurements data , soil texture data, soil and plant analysis data, CO2 flux obtained using a novel robotic chamber system that were conducted from 23.07.2020 (after manipulation) - 29.06.2021 (Harvest). This table contains the index of all tables forming this data collection. Related datasets are listed in the metadata element 'Related Identifier'. Dataset version 1.0
Leibniz Centre for Agricultural Landscape Research
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Shrijana Vaidya
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Email: vaidyashriju@gmail.com
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Mathias Hoffmann
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Email: mathias.hoffmann@zalf.de
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Maren Dubbert
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Email: maren.dubbert@zalf.de
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Katja Kramp
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Email: katja.kramp@zalf.de
Url:
Marten Schmidt
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Email: marten.schmidt@zalf.de
Url:
Gernot Verch
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Email: gernot.verch@zalf.de
Url:
Michael Sommer
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Email: sommer@zalf.de
Url:
Jürgen Augustin
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Email: jaug@zalf.de
Url:
Michael Sommer
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Email: sommer@zalf.de
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Leibniz Centre for Agricultural Landscape Research
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Created: 2024-03-27
Updated: 2024-04-23
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Language: eng
title_alternate: Data collection: Part 0/5, table: Index