1. //
  2. Start
  3. //
  4. Publications
  5. Effects of maize roots on aggregate stab...
  6. Output formats
  7. //

Effects of maize roots on aggregate stability and enzyme activities in soil

Research output: Journal contributions › Journal articles › Research › peer-review

Standard

Effects of maize roots on aggregate stability and enzyme activities in soil. / Kumar, Amit; Dorodnikov, Maxim; Pausch, Johanna et al.
In: Geoderma, Vol. 306, 15.11.2017, p. 50-57.

Research output: Journal contributions › Journal articles › Research › peer-review

Harvard

Kumar, A, Dorodnikov, M, Pausch, J, Kuzyakov, Y & Pausch, J 2017, 'Effects of maize roots on aggregate stability and enzyme activities in soil', Geoderma, vol. 306, pp. 50-57. https://doi.org/10.1016/j.geoderma.2017.07.007

APA

Kumar, A., Dorodnikov, M., Pausch, J., Kuzyakov, Y., & Pausch, J. (2017). Effects of maize roots on aggregate stability and enzyme activities in soil. Geoderma, 306, 50-57. https://doi.org/10.1016/j.geoderma.2017.07.007

Vancouver

Kumar A, Dorodnikov M, Pausch J, Kuzyakov Y, Pausch J. Effects of maize roots on aggregate stability and enzyme activities in soil. Geoderma. 2017 Nov 15;306:50-57. doi: 10.1016/j.geoderma.2017.07.007

Bibtex

@article{b9d1fb8cc01e4e33af4f3f4510ed52da,
title = "Effects of maize roots on aggregate stability and enzyme activities in soil",
abstract = "Soil aggregation and microbial activities within the aggregates are important factors regulating soil carbon (C) turnover. A reliable and sensitive proxy for microbial activity is activity of extracellular enzymes (EEA). In the present study, effects of soil aggregates on EEA were investigated under three maize plant densities (Low, Normal, and High). Bulk soil was fractionated into three aggregate size classes (> 2000 μm large macroaggregates; 2000–250 μm small macroaggregates; < 250 μm microaggregates) by optimal-moisture sieving. Microbial biomass and EEA (β-1,4-glucosidase (BG), β-1,4-N-acetylglucosaminidase (NAG), L-leucine aminopeptidase (LAP) and acid phosphatase (acP)) catalyzing soil organic matter (SOM) decomposition were measured in rooted soil of maize and soil from bare fallow. Microbial biomass C (C mic) decreased with decreasing aggregate size classes. Potential and specific EEA (per unit of C mic) increased from macro- to microaggregates. In comparison with bare fallow soil, specific EEA of microaggregates in rooted soil was higher by up to 73%, 31%, 26%, and 92% for BG, NAG, acP and LAP, respectively. Moreover, high plant density decreased macroaggregates by 9% compared to bare fallow. Enhanced EEA in three aggregate size classes demonstrated activation of microorganisms by roots. Strong EEA in microaggregates can be explained by microaggregates' localization within the soil. Originally adhering to surfaces of macroaggregates, microaggregates were preferentially exposed to C substrates and nutrients, thereby promoting microbial activity. ",
keywords = "Free microaggregates, Mean weight diameter, Plant density, Root exudation, Rooted soil, Specific enzyme activity",
author = "Amit Kumar and Maxim Dorodnikov and Johanna Pausch and Yakov Kuzyakov and Johanna Pausch",
year = "2017",
month = nov,
day = "15",
doi = "10.1016/j.geoderma.2017.07.007",
language = "English",
volume = "306",
pages = "50--57",
journal = "Geoderma",
issn = "0016-7061",
publisher = "Elsevier B.V.",

}

RIS

TY - JOUR

T1 - Effects of maize roots on aggregate stability and enzyme activities in soil

AU - Kumar, Amit

AU - Dorodnikov, Maxim

AU - Pausch, Johanna

AU - Kuzyakov, Yakov

AU - Pausch, Johanna

PY - 2017/11/15

Y1 - 2017/11/15

N2 - Soil aggregation and microbial activities within the aggregates are important factors regulating soil carbon (C) turnover. A reliable and sensitive proxy for microbial activity is activity of extracellular enzymes (EEA). In the present study, effects of soil aggregates on EEA were investigated under three maize plant densities (Low, Normal, and High). Bulk soil was fractionated into three aggregate size classes (> 2000 μm large macroaggregates; 2000–250 μm small macroaggregates; < 250 μm microaggregates) by optimal-moisture sieving. Microbial biomass and EEA (β-1,4-glucosidase (BG), β-1,4-N-acetylglucosaminidase (NAG), L-leucine aminopeptidase (LAP) and acid phosphatase (acP)) catalyzing soil organic matter (SOM) decomposition were measured in rooted soil of maize and soil from bare fallow. Microbial biomass C (C mic) decreased with decreasing aggregate size classes. Potential and specific EEA (per unit of C mic) increased from macro- to microaggregates. In comparison with bare fallow soil, specific EEA of microaggregates in rooted soil was higher by up to 73%, 31%, 26%, and 92% for BG, NAG, acP and LAP, respectively. Moreover, high plant density decreased macroaggregates by 9% compared to bare fallow. Enhanced EEA in three aggregate size classes demonstrated activation of microorganisms by roots. Strong EEA in microaggregates can be explained by microaggregates' localization within the soil. Originally adhering to surfaces of macroaggregates, microaggregates were preferentially exposed to C substrates and nutrients, thereby promoting microbial activity.

AB - Soil aggregation and microbial activities within the aggregates are important factors regulating soil carbon (C) turnover. A reliable and sensitive proxy for microbial activity is activity of extracellular enzymes (EEA). In the present study, effects of soil aggregates on EEA were investigated under three maize plant densities (Low, Normal, and High). Bulk soil was fractionated into three aggregate size classes (> 2000 μm large macroaggregates; 2000–250 μm small macroaggregates; < 250 μm microaggregates) by optimal-moisture sieving. Microbial biomass and EEA (β-1,4-glucosidase (BG), β-1,4-N-acetylglucosaminidase (NAG), L-leucine aminopeptidase (LAP) and acid phosphatase (acP)) catalyzing soil organic matter (SOM) decomposition were measured in rooted soil of maize and soil from bare fallow. Microbial biomass C (C mic) decreased with decreasing aggregate size classes. Potential and specific EEA (per unit of C mic) increased from macro- to microaggregates. In comparison with bare fallow soil, specific EEA of microaggregates in rooted soil was higher by up to 73%, 31%, 26%, and 92% for BG, NAG, acP and LAP, respectively. Moreover, high plant density decreased macroaggregates by 9% compared to bare fallow. Enhanced EEA in three aggregate size classes demonstrated activation of microorganisms by roots. Strong EEA in microaggregates can be explained by microaggregates' localization within the soil. Originally adhering to surfaces of macroaggregates, microaggregates were preferentially exposed to C substrates and nutrients, thereby promoting microbial activity.

KW - Free microaggregates

KW - Mean weight diameter

KW - Plant density

KW - Root exudation

KW - Rooted soil

KW - Specific enzyme activity

UR - http://www.scopus.com/inward/record.url?scp=85024365095&partnerID=8YFLogxK

U2 - 10.1016/j.geoderma.2017.07.007

DO - 10.1016/j.geoderma.2017.07.007

M3 - Journal articles

VL - 306

SP - 50

EP - 57

JO - Geoderma

JF - Geoderma

SN - 0016-7061

ER -

Related by journal

Spatial and seasonal distribution of trace metals in floodplain soils: A case study with the middle Elbe river, Germany

Schulz-Zunkel, C., Krüger, F., Rupp, H., Meißner, R., Gruber, B., Gerisch, M. & Bork, H. R., 12.2013, In: Geoderma. 211-212, p. 128-137 10 p.

Research output: Journal contributions › Journal articles › Research › peer-review

Does plant diversity influence phosphorus cycling in experimental grasslands?

Oelmann, Y., Richter, A. K., Roscher, C., Rosenkranz, S., Temperton, V. M., Weisser, W. W. & Wilcke, W., 11.2011, In: Geoderma. 167-168, p. 178-187 10 p.

Research output: Journal contributions › Journal articles › Research › peer-review

Other publications by the same author(s)

Shifts in plant functional trait dynamics in relation to soil microbiome in modern and wild barley

Kumar, A., Kuznetsova, O., Gschwendtner, S., Chen, H., Alonso-Crespo, I. M., Yusuf, M., Schulz, S., Bonkowski, M., Schloter, M. & Temperton, V. M., 11.2024, In: Plants People Planet. 6, 6, p. 1398-1412 15 p.

Research output: Journal contributions › Journal articles › Research › peer-review

Orientation-driven photosynthesized carbon belowground mediates intercropped peanut microbiota changes for pathogen resistance

Lu, J., Shen, Y., He, G., Li, S., Kumar, A., Sun, B. & Chen, Y., 01.2025, In: Plant and Soil. 506, 1, p. 209-226 18 p.

Research output: Journal contributions › Journal articles › Research › peer-review

Straw amendment and nitrification inhibitor controlling N losses and immobilization in a soil cooling-warming experiment

Chen, H., Rosinger, C., Blagodatsky, S., Reichel, R., Li, B., Kumar, A., Rothardt, S., Luo, J., Brüggemann, N., Kage, H. & Bonkowski, M., 20.04.2023, In: Science of the Total Environment. 870, 11 p., 162007.

Research output: Journal contributions › Journal articles › Research

Carbon fluxes within tree-crop-grass agroforestry system: 13C field labeling and tracing

Zhou, J., Shao, G., Kumar, A., Shi, L., Kuzyakov, Y. & Pausch, J., 01.10.2022, In: Biology and Fertility of Soils. 58, 7, p. 733-743 11 p.

Research output: Journal contributions › Journal articles › Research › peer-review

Effects of pesticide application and plant sexual identity on leaf physiological traits and phyllosphere bacterial communities

Zhu, Z., He, Y., Xu, J., Zhou, Z., Kumar, A. & Xia, Z., 01.04.2023, In: Journal of Plant Ecology. 16, 2, 12 p., rtac084.

Research output: Journal contributions › Journal articles › Research

DOI

Recently viewed

Activities

  1. Undoing Ethnographic and Archaological Objects
  2. Plenary lecture eintitled: "Mathematical insights for advanced ice-clamping control in the context of Industry 4.0"
  3. Workshop on plasma modelling and simulation - WOPMAS 2018
  4. LC-MS identification of the photo-transformation products of desipramine with studying the effect of different environmental variables on the kinetics of their formation
  5. Liquidity, Flows, Circulation: The Cultural Logic of Environmentalization (2nd part) 2021
  6. Best/Worst of Both Worlds?
  7. The global classroom. Introduction, presenation and workshop: Introduction, presenation and workshop
  8. DSP-Kolloquium 2017
  9. Exploration of sustainable technologies and Learnings from a failed small wind energy project
  10. Benign by Design as an Important Building Block of Green and Sustainable Chemistry - Examples of its Application for Molecules, Materials, Products and the Management of Their Flows
  11. The role of different forms of cohesion and readers' expectations towards different types of text
  12. Management and lnternational Networking Workshop 2014
  13. Fostering student-teachersí analysis of their own teaching with an online-based video-feedback
  14. Using Ethnographic Methods in Organizational Communication Research: Considering Materiality, Aesthetics and Embodiment
  15. 13th IFAC and IEEE Conference on Programmable Devices and Embedded Systems - PDeS 2015
  16. Workshop "External Actors’ Responses to the Arab Spring The EU in Comparative Perspective" - 2013
  17. Applied Econometrics with Stata for PhD Students
  18. Development and validation of a video-based instrument for the assessment of feedback competence.
  19. Princeton University
  20. Einführung in das Asylrecht
  21. 13th IWH-CIREQ Macroeconometric Workshop: Macro-econometrics and Panel Data - IWH-CIREQ 2012

Publications

  1. Diffusion patterns in small vs. large capital markets-the case of value-based management
  2. Adjustable automation and manoeuvre control in automated driving
  3. Activity–rest schedules in physically demanding work and the variation of responses with age
  4. Comparing two hybrid neural network models to predict real-world bus travel time
  5. Anwendungsprogrammierung mit Embedded-SQL
  6. Dynamic Inversion-Enhanced U-Control of Quadrotor Trajectory Tracking
  7. Alternating between Partial and Complete Organization
  8. Towards an open question answering architecture
  9. Knowledge transfer during the integration of knowledge-intensive acquisitions
  10. Advisory systems in pluralistic knowledge societies:
  11. Dynamic efficiency and path dependencies in venture capital markets
  12. Learning and Re-learning from net- based cooperative learning discourses
  13. Joseph Weizenbaum
  14. Combining flatness based feedforward action with a fractional PI regulator to control the intake valve engine
  15. Assembly Modes of General Planar 3-RPR Parallel Mechanisms when Using the Linear Actuators’ Orientations
  16. Introduction to the challenges and chances regarding the utilization of nitrogen-rich by-products and waste streams
  17. General Patterns and Conclusions
  18. Service Level Driven Stock Allocation
  19. Learning in the "Third Space"
  20. Credit constraints and exports
  21. Determination of 10 particle-associated multiclass polar and semi-polar pesticides from small streams using accelerated solvent extraction
  22. Sustainable Consumption - Mapping the Terrain
  23. Gerbil – Benchmarking named entity recognition and linking consistently
  24. An EKF-based observer for sensorless valve control in camless internal combustion engine
  25. Developing a Process for the Analysis of User Journeys and the Prediction of Dropout in Digital Health Interventions: