Topographic wetness index as a proxy for soil moisture in a hillslope catena: flow algorithms and map generalization

HE Winzeler, PR Owens, QD Read, Z Libohova… - Land, 2022 - mdpi.com
Topographic wetness index (TWI) is used as a proxy for soil moisture, but how well it
performs across varying timescales and methods of calculation is not well understood. To …

Temperate silvopastures provide greater ecosystem services than conventional pasture systems

HCS Amorim, AJ Ashworth, PL O'Brien, AL Thomas… - Scientific Reports, 2023 - nature.com
Management and design affect systems' ability to deliver ecosystem services and meet
sustainable intensification needs for a growing population. Soil–plant–animal health …

Using apparent electrical conductivity to delineate field variation in an agroforestry system in the Ozark Highlands

S Ylagan, KR Brye, AJ Ashworth, PR Owens, H Smith… - Remote Sensing, 2022 - mdpi.com
Greater adoption and better management of spatially complex, conservation systems such
as agroforestry (AF) are dependent on determining methods suitable for delineating in-field …

Soil organic carbon and nutrients affected by tree species and poultry litter in a 17-year agroforestry site

HCS Amorim, AJ Ashworth, YL Zinn, TJ Sauer - Agronomy, 2022 - mdpi.com
Tree species and fertilization sources may affect the soil organic carbon (SOC) and fertility in
agroforestry (AF) systems in temperate regions, but this remains unexplored. This study …

Understanding the changes induced by the incorporation of trees in low densities into livestock systems: relevance of a long-term interdisciplinary experimental …

JK Fedrigo, V Benítez, M de Souza, V Morales… - Agroforestry …, 2024 - Springer
The purpose of this work is to describe the creation process of the first long-term
experimental platform designed for interdisciplinary studies of Silvopastoral Systems (SPS) …

Evaluating tree growth factors into species-specific functional soil maps for improved agroforestry system efficiency

ZD Jiang, PR Owens, AJ Ashworth, BA Fuentes… - Agroforestry …, 2021 - Springer
Agroforestry systems play an important role in sustainable agroecosystems. However,
accurately and adequately quantifying the relationships between environmental factors and …

Spatial monitoring technologies for coupling the soil plant water animal nexus

AJ Ashworth, T Kharel, T Sauer, TC Adams… - Scientific Reports, 2022 - nature.com
Abstract Systems-level studies aimed at determining how soil properties are linked to plant
production and ultimately animal response spatially are lacking. This study aims to identify if …

Identification and delineation of broad-base agricultural terraces in flat landscapes in northeastern Oklahoma, USA

HE Winzeler, PR Owens, T Kharel, A Ashworth… - Land, 2023 - mdpi.com
Broad-base agricultural terraces can be difficult to delineate in flat landscapes, particularly
when covered by crops, due to subtle changes in elevation over relatively wide distances. In …

Applications and analytical methods of ground penetrating radar for soil characterization in a silvopastoral system

HW Smith, PR Owens, AJ Ashworth - Journal of environmental and …, 2022 - library.seg.org
The use of ground penetrating radar (GPR) for soil characterization has grown rapidly in
recent years due to substantial increases in computer processing power and advances in …

[HTML][HTML] Assessing soil and land suitability of an olive–maize agroforestry system using machine learning algorithms

A Hayat, J Iqbal, AJ Ashworth, PR Owens - Crops, 2024 - mdpi.com
Exponential population increases are threatening food security, particularly in mountainous
areas. One potential solution is dual-use intercropped agroforestry systems such as olive …