Microaggregates in soils

KU Totsche, W Amelung, MH Gerzabek… - Journal of Plant …, 2018 - Wiley Online Library
All soils harbor microaggregates, ie, compound soil structures smaller than 250 µm. These
microaggregates are composed of diverse mineral, organic and biotic materials that are …

How air-drying and rewetting modify soil organic matter characteristics: an assessment to improve data interpretation and inference

M Kaiser, M Kleber, AA Berhe - Soil Biology and Biochemistry, 2015 - Elsevier
Air-drying and wetting of air-dried soil samples with water (ie, rewetting) are widely used
sample treatments in soil analyses. It is recognized that both air-drying and rewetting of soil …

Evidence of aggregate hierarchy at micro-to submicron scales in an allophanic Andisol

M Asano, R Wagai - Geoderma, 2014 - Elsevier
Aggregate hierarchy, a fundamental soil feature controlling various physical and
biogeochemical processes, is well-studied for soils dominated by crystalline minerals but not …

Synergistic relationships between the age of soil organic matter, Fe speciation, and aggregate stability in an arable Luvisol

N Siebers, E Voggenreiter, P Joshi… - Journal of Plant …, 2024 - Wiley Online Library
Background Knowledge of soil aggregate formation and stability is essential, as this is
important for maintaining soil functions. Aims This study aimed to investigate the influence of …

Effects of biochar additions on the mechanical stability of soil aggregates and their role in the dynamic renewal of aggregates in slope ecological restoration

M Sheng, X Ai, B Huang, M Zhu, Z Liu, Y Ai - Science of the Total …, 2023 - Elsevier
Mechanical stability of soil aggregates is important for resisting external disturbances in
slope soils. Biochar (BC) is widely used in slope remediation. However, biochar application …

Colloidal iron and organic carbon control soil aggregate formation and stability in arable Luvisols

L Krause, E Klumpp, I Nofz, A Missong, W Amelung… - Geoderma, 2020 - Elsevier
Several beneficial soil functions are linked to aggregates, but how the formation and stability
depend on the presence of colloidal-and nanosized (1000–1 nm) bulding blocks is still …

Architecture of soil microaggregates: Advanced methodologies to explore properties and functions

W Amelung, N Tang, N Siebers… - Journal of Plant …, 2024 - Wiley Online Library
The functions of soils are intimately linked to their three‐dimensional pore space and the
associated biogeochemical interfaces, mirrored in the complex structure that developed …

Implications of free and occluded fine colloids for organic matter preservation in arable soils

N Tang, N Siebers, P Leinweber… - … science & technology, 2022 - ACS Publications
Colloidal organo–mineral associations contribute to soil organic matter (OM) preservation
and mainly occur in two forms:(i) as water-dispersible colloids that are potentially mobile …

How does sonication affect the mineral and organic constituents of soil aggregates?—A review

M Kaiser, A Asefaw Berhe - Journal of Plant Nutrition and Soil …, 2014 - Wiley Online Library
Application of ultrasound to disperse soil aggregates has been critical in enabling
researchers to separate and analyze aggregate building blocks that include organic and …

A simple approach to isolate slow and fast cycling organic carbon fractions in central European soils—Importance of dispersion method

C Just, C Poeplau, A Don, B van Wesemael… - Frontiers in Soil …, 2021 - frontiersin.org
Numerous approaches have been developed to isolate fast and slow cycling soil organic
carbon (SOC) pools using physical and chemical fractionation. Most of these methods are …