Emergent role of critical interfaces in the dynamics of intensively managed landscapes

P Kumar, A Anders, E Bauer, NE Blair, M Cain… - Earth-Science …, 2023 - Elsevier
Complex interactions among water, dissolved and suspended material, and gases occur
within the critical zone. These interactions depend upon and influence geologic and …

Cover crop management practices to promote soil health and climate adaptation: Grappling with varied success from farmer and researcher observations

J Gutknecht, A Journey, H Peterson… - Journal of …, 2023 - Wiley Online Library
Soil health is a pathway through which farm and environmental outcomes can be improved
together on agricultural landscapes, and management to improve soil health is increasingly …

Biophysical controls that make erosion-transported soil carbon a source of greenhouse gases

R Lal - Applied Sciences, 2022 - mdpi.com
Soil erosion is a selective process which removes the light fraction comprised of soil organic
carbon (SOC) and colloidal particles of clay and fine silt. Thus, a large amount of carbon (C) …

Tillage-induced surface soil roughness controls the chemistry and physics of eroded particles at early erosion stage

T Hou, TR Filley, Y Tong, B Abban, S Singh… - Soil and Tillage …, 2021 - Elsevier
Intensive row crop agriculture on loess mantled hillslopes in the upper Midwest, USA,
accelerates soil erosion and the loss of organic matter by increasing soil aggregate …

Metabolomics analysis of unresolved molecular variability in stoichiometry dynamics of a stream dissolved organic matter

B Hassanpour, N Blair, L Aristilde - Water Research, 2022 - Elsevier
Broad molecular classification based on stoichiometric ratio relationships has been used
extensively to characterize the chemical diversity of aquatic dissolved organic matter (DOM) …

The intensively managed landscape critical zone observatory: a scientific testbed for understanding critical zone processes in agroecosystems

CG Wilson, B Abban, LL Keefer, K Wacha… - Vadose Zone …, 2018 - Wiley Online Library
Core Ideas IML‐CZO is structured to study system responses through event‐based
monitoring. Management legacy has shaped critical zone processes. Management and …

[HTML][HTML] The relative contributions of soil hydrophilicity and raindrop impact to soil aggregate breakdown for a series of textured soils

J Li, S Zhong, Z Han, P Gao, C Wei - International Soil and Water …, 2022 - Elsevier
Soil aggregate breakdown is the first key factor that causes soil erosion. At present, research
on the mechanisms of soil aggregate breakdown during rainfall is common. However, the …

Tracking in-situ soil aggregate turnover under raindrop impact and wetting-drying cycles using rare earth elements

S Zhou, CG Wilson, JM Hathaway, SM Schaeffer - Catena, 2022 - Elsevier
Raindrop impact and wetting-drying cycles of soil strongly influence aggregate breakdown
and reformation, but these mechanisms have not been examined simultaneously under field …

Tillage management exerts stronger controls on soil microbial community structure and organic matter molecular composition than N fertilization

M Man, M Tosi, KE Dunfield, DC Hooker… - Agriculture, Ecosystems …, 2022 - Elsevier
Different tillage and nitrogen (N) fertilization practices markedly alter soil carbon dynamics,
yet the underlying mechanisms and their interactive controls on soil organic matter (OM) …

The role of hydraulic connectivity and management on soil aggregate size and stability in the Clear Creek Watershed, Iowa

KM Wacha, ANT Papanicolaou, CP Giannopoulos… - Geosciences, 2018 - mdpi.com
The role of tillage practices on soil aggregate properties has been mainly addressed at the
pedon scale (ie, soilscape scale) by treating landscape elements as disconnected …