Thomas Keller
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Researcher ORCID: 0000-0002-9383-3209
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Computer Science
Thomas Keller's Degrees
- PhD Computer Science Stanford University
- Masters Computer Science Stanford University
- Bachelors Computer Science Stanford University
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(Suggest an Edit or Addition)Thomas Keller's Published Works
Number of citations in a given year to any of this author's works
Total number of citations to an author for the works they published in a given year. This highlights publication of the most important work(s) by the author
Published Works
- Agricultural intensification reduces microbial network complexity and the abundance of keystone taxa in roots (2018) (465)
- Estimation of reference bulk density from soil particle size distribution and soil organic matter content (2010) (201)
- Persistent effects of subsoil compaction on pore size distribution and gas transport in a loamy soil (2012) (166)
- Historical increase in agricultural machinery weights enhanced soil stress levels and adversely affected soil functioning (2019) (154)
- SoilFlex: A model for prediction of soil stresses and soil compaction due to agricultural field traffic including a synthesis of analytical approaches (2007) (147)
- A Model for the Prediction of the Contact Area and the Distribution of Vertical Stress below Agricultural Tyres from Readily Available Tyre Parameters (2005) (125)
- Soil stress as affected by wheel load and tyre inflation pressure (2007) (120)
- Soil precompression stress - I. A survey of Swedish arable soils (2004) (112)
- Specific draught for mouldboard plough, chisel plough and disc harrow at different water contents (2004) (109)
- Modelling effects of tyre inflation pressure on the stress distribution near the soil-tyre interface (2008) (105)
- Artificial macropores attract crop roots and enhance plant productivity on compacted soils. (2017) (104)
- Feedbacks between soil penetration resistance, root architecture and water uptake limit water accessibility and crop growth - A vicious circle. (2018) (104)
- Technical solutions to reduce the risk of subsoil compaction: effects of dual wheels, tandem wheels and tyre inflation pressure on stress propagation in soil (2004) (103)
- Soil structures produced by tillage as affected by soil water content and the physical quality of soil (2007) (102)
- Analysis of soil compression curves from uniaxial confined compression tests (2011) (98)
- Driver-Pressure-State-Impact-Response (DPSIR) analysis and risk assessment for soil compaction-A European perspective (2015) (97)
- Impact of a conversion from cropland to grassland on C and N storage and related soil properties: Analysis of a 60-year chronosequence (2006) (93)
- Plastic limits of agricultural soils as functions of soil texture and organic matter content (2012) (91)
- Soil precompression stress: II a comparison of different compaction tests and stress-displacement behaviour of the soil during wheeling (2004) (88)
- An interdisciplinary approach towards improved understanding of soil deformation during compaction (2013) (83)
- Effects of subsoil compaction on hydraulic properties and preferential flow in a Swedish clay soil (2016) (80)
- Persistent subsoil compaction and its effects on preferential flow patterns in a loamy till soil (2013) (76)
- Two decades of no-till in the Oberacker long-term field experiment: Part I. Crop yield, soil organic carbon and nutrient distribution in the soil profile (2016) (75)
- Developing strategies to recover crop productivity after soil compaction—A plant eco-physiological perspective (2019) (73)
- Challenges in the development of analytical soil compaction models (2010) (73)
- Gas transport and subsoil pore characteristics: Anisotropy and long-term effects of compaction (2013) (73)
- A Review of Geophysical Methods for Soil Structure Characterization (2018) (65)
- Seasonal changes in soil physical properties under long-term no-tillage (2016) (64)
- Root Tip Shape Governs Root Elongation Rate under Increased Soil Strength1[OPEN] (2017) (63)
- Predicting soil particle density from clay and soil organic matter contents (2017) (62)
- Two decades of no-till in the Oberacker long-term field experiment: Part II. Soil porosity and gas transport parameters (2016) (61)
- Long‐Term Soil Structure Observatory for Monitoring Post‐Compaction Evolution of Soil Structure (2017) (61)
- Stress distribution and soil displacement under a rubber-tracked and a wheeled tractor during ploughing, both on-land and within furrows (2002) (59)
- Using field measurement of saturated soil hydraulic conductivity to detect low-yielding zones in three Swedish fields (2012) (59)
- Rubber track systems for conventional tractors – Effects on soil compaction and traction (2011) (57)
- Impact of artificial snow and ski-slope grooming on snowpack properties and soil thermal regime in a sub-alpine ski area (2004) (51)
- Predicted tyre–soil interface area and vertical stress distribution based on loading characteristics (2015) (50)
- Transmission of vertical soil stress under agricultural tyres: Comparing measurements with simulations (2014) (49)
- Determination of precompression stress from uniaxial compression tests (2008) (47)
- Effects of the stress field induced by a running tyre on the soil pore system (2013) (47)
- Impacts of land use on soil organic matter and degree of compactness in calcareous soils of central Iran (2014) (45)
- Compressive properties of some Swedish and Danish structured agricultural soils measured in uniaxial compression tests (2007) (45)
- Degree of soil compactness is highly correlated with the soil physical quality index S (2016) (44)
- Soil compaction and soil tillage - studies in agricultural soil mechanics (2004) (43)
- Opportunities and future directions for visual soil evaluation methods in soil structure research (2017) (43)
- Terranimo : a web based tool for evaluating soil compaction : model design and user interface (2012) (43)
- Rules of thumb for minimizing subsoil compaction (2012) (40)
- A framework for modelling soil structure dynamics induced by biological activity (2020) (40)
- In Situ Subsoil Stress-Strain Behavior in Relation to Soil Precompression Stress (2012) (39)
- Carbon balance in the soils of abandoned lands in Moscow region (2007) (39)
- Natural and managed soil structure: On the fragile scaffolding for soil functioning (2021) (35)
- X‐ray CT and Laboratory Measurements on Glacial Till Subsoil Cores: Assessment of Inherent and Compaction‐Affected Soil Structure Characteristics (2013) (34)
- Quantifying vertical stress transmission and compaction-induced soil structure using sensor mat and X-ray computed tomography (2016) (34)
- 3D finite element simulation of a single-tip horizontal penetrometer–soil interaction. Part I: Development of the model and evaluation of the model parameters (2013) (33)
- Short-term effects of loosening and incorporation of straw slurry into the upper subsoil on soil physical properties and crop yield (2018) (33)
- Comparing penetrometer and shear vane measurements with measured and predicted mouldboard plough draught in a range of Swedish soils (2011) (31)
- Determining Soil Stress beneath a Tire: Measurements and Simulations (2016) (30)
- Impact of monovalent cations on soil structure. Part I. Results of an Iranian soil (2018) (28)
- Soil compaction due to heavy forest traffic: measurements and simulations using an analytical soil compaction model (2013) (27)
- Use of a triple-sensor fusion system for on-the-go measurement of soil compaction (2013) (25)
- Cortical Cell Diameter Is Key To Energy Costs of Root Growth in Wheat. (2019) (24)
- Impact of initial bulk density and matric suction on compressive properties of two Oxisols under no-till (2018) (24)
- Seasonal dynamics in wheel load‐carrying capacity of a loam soil in the Swiss Plateau (2015) (24)
- SoilFlex‐LLWR: linking a soil compaction model with the least limiting water range concept (2015) (23)
- 3D finite element simulation of a single-tip horizontal penetrometer-soil interaction. Part II: Soil bin verification of the model in a clay-loam soil (2014) (22)
- The contribution of tyre evolution to the reduction of soil compaction risks (2019) (22)
- Soil aggregate breakdown in a field experiment with different rainfall intensities and initial soil water contents (2017) (22)
- Subsoil shear strength – Measurements and prediction models based on readily available soil properties (2020) (21)
- Predicting the relative density from on-the-go horizontal penetrometer measurements at some arable top soils in Northern Switzerland (2016) (21)
- Soil physical properties of a Luvisol developed on loess after 15 years of amendment with compost (2019) (21)
- Effects of seedbed properties on crop emergence: 1. Temporal effects of temperature and sowing depth in seedbeds with favourable properties (2011) (20)
- Simulation of plate sinkage in soil using discrete element modelling: Calibration of model parameters and experimental validation (2020) (20)
- Suitability of pre-compression stress as the real critical stress of unsaturated agricultural soils (2007) (19)
- Accuracy of soil stress measurements as affected by transducer dimensions and shape (2015) (19)
- Impact of sample dimensions, soil-cylinder wall friction and elastic properties of soil on stress field and bulk density in uniaxial compression tests (2019) (18)
- Impact of monovalent cations on soil structure. Part II. Results of two Swiss soils (2018) (18)
- Cortical Cell Diameter Is Key To Energy Costs of Root Growth in Wheat1[OPEN] (2019) (17)
- Changes in soil stress during repeated wheeling: A comparison of measured and simulated values (2017) (17)
- Modelling the impact of declining soil organic carbon on soil compaction: Application to a cultivated Eutric Cambisol with massive straw exportation for energy production in Northern France (2014) (17)
- Modelling dynamic interactions between soil structure and the storage and turnover of soil organic matter (2020) (17)
- A model for prediction of vertical stress distribution near the soil surface below rubber-tracked undercarriage systems fitted on agricultural vehicles (2016) (17)
- Measurements and simulations of compaction effects on the least limiting water range of a no-till Oxisol (2020) (16)
- Improvement and field testing of a combined horizontal penetrometer for on-the-go measurement of soil water content and mechanical resistance (2012) (15)
- Limited resilience of the soil microbiome to mechanical compaction within four growing seasons of agricultural management (2021) (15)
- Effects of compaction on soil hydraulic properties, penetration resistance and water flow patterns at the soil profile scale (2019) (14)
- On-farm study reveals positive relationship between gas transport capacity and organic carbon content in arable soil (2019) (13)
- Farm vehicles approaching weights of sauropods exceed safe mechanical limits for soil functioning (2022) (13)
- The INTERCAFE Cormorant Management Toolbox: methods for reducing Cormorant problems at European fisheries. INTERCAFE COST Action 635 Final Report III (2012) (13)
- Characteristics of Acoustic Emissions from Soil Subjected to Confined Uniaxial Compression (2017) (12)
- Feasibility study on the potential of electrical conductivity sensor Veris® 3100 for field mapping of topsoil strength (2014) (12)
- Pore structure characteristics and soil workability along a clay gradient (2019) (12)
- Potential of indicators to unveil the hidden side of cropping system classification: Differences and similarities in cropping practices between conventional, no-till and organic systems (2019) (12)
- Measurements and simulations of rut depth due to single and multiple passes of a military vehicle on different soil types (2019) (11)
- The soil structural cost of traffic from heavy machinery in Vertisols (2019) (11)
- Evidence for magnesium–phosphorus synergism and co-limitation of grain yield in wheat agriculture (2021) (11)
- Decreased burrowing activity of endogeic earthworms and effects on water infiltration in response to an increase in soil bulk density (2021) (10)
- Soil structure recovery following compaction: Short‐term evolution of soil physical properties in a loamy soil (2021) (10)
- Seismic signatures reveal persistence of soil compaction (2021) (10)
- On the relationships between the size of agricultural machinery, soil quality and net revenues for farmers and society (2022) (10)
- Construction of modern wide, low-inflation pressure tyres per se does not affect soil stress (2020) (10)
- Terranimo® - a web-based tool for assessment of the risk of soil compaction due to agricultural field traffic. (2010) (9)
- A time-lapse imaging platform for quantification of soil crack development due to simulated root water uptake (2021) (9)
- Patterns and Factors of Soil Structure Recovery as Revealed From a Tillage and Cover-Crop Experiment in a Compacted Orchard (2018) (8)
- Measuring the Dynamic Soil Response During Repeated Wheeling Using Seismic Methods (2013) (8)
- Corrigendum to ‘Predicting soil particle density from clay and soil organic matter contents’ [Geoderma 286 (2017) 83–87] (2017) (8)
- Effects of soil compaction on grain yield of wheat depend on weather conditions. (2021) (8)
- Soil available water and plant growth in relation to K:Na ratio (2020) (7)
- Prevention of traffic-induced subsoil compaction in Sweden: Experiences from wheeling experiments (2006) (7)
- Effects of seedbed properties on crop emergence. 4. Inhibitory effects of oxygen deficiency (2012) (7)
- Effects of seedbed properties on crop emergence. 6. Requirements of crops with small seeds (2013) (6)
- Soil water contents for tillage: A comparison of approaches and consequences for the number of workable days (2019) (6)
- Terranimo ®-A Soil Compaction Model with internationally compatible input options (2013) (6)
- Lasting Effects of Soil Compaction on Soil Water Regime Confirmed by Geoelectrical Monitoring (2022) (6)
- Can within field yield variation be explained using horizontal penetrometer resistance and electrical conductivity measurements? Results from three Swedish fields (2018) (6)
- System for quasi-continuous simultaneous measurement of oxygen diffusion rate and redox potential in soil (2020) (6)
- Soil rut depth prediction based on soil strength measurements on typical Estonian soils (2017) (5)
- Effects of seedbed properties on crop emergence. 5. Effects of aggregate size, sowing depth and simulated rainfall after sowing on harmful surface-layer hardening (2012) (5)
- Relationship between greenhouse gas emissions and changes in soil gas diffusivity in a field experiment with biochar and lime (2019) (5)
- Effects of seedbed properties on crop emergence: 3. Effects of firming of seedbeds with various sowing depths and water contents (2011) (5)
- Soil Compaction Due to Agricultural Field Traffic: An Overview of Current Knowledge and Techniques for Compaction Quantification and Mapping (2021) (5)
- Soil stress measurement by load cell probes as influenced by probe design, probe position, and soil mechanical behaviour (2021) (5)
- Effect of time of autumn primary tillage on soil structure, grain yield and risk of nitrogen leaching in two Swedish clay soils (2014) (4)
- Soil and crop responses to controlled traffic farming in reduced tillage and no-till: some experiences from field experiments and on-farm studies in Sweden (2020) (4)
- Visual soil evaluation and soil compaction research (2017) (4)
- Impacts of soil type and crop species on permanent wilting of plants (2021) (4)
- Soil stresses under tracks and tyres - measurements and model development (2014) (3)
- Soil structure explains some within-field variation in crop yield. (2010) (3)
- Draught Requirement During Tillage (2010) (3)
- Scale effect of aggregate rupture: Using the relationship between friability and fractal dimension to parameterise discrete element models (2020) (3)
- Reversible and irreversible root phenotypic plasticity under fluctuating soil physical conditions (2021) (2)
- Minimizing tillage modifies fungal denitrifier communities, increases denitrification rates and enhances the genetic potential for fungal, relative to bacterial, denitrification (2022) (2)
- Impact of immissions from a garbage incinerator in Switzerland on the radial increment of beech trees (1994) (2)
- Soil Structural Quality and Relationships With Root Properties in Single and Integrated Farming Systems (2022) (2)
- Wheel traffic effect on air-filled porosity and air permeability in a soil catena across the wheel rut (2012) (2)
- Persistence of subsoil compaction and its effects on pore characteristics and gas transport (2012) (1)
- Soil compaction due to heavy forest traffic: measurements and simulations using an analytical soil compaction model (2013) (1)
- Soil Disturbance and Soil Fragmentation During Tillage (2010) (1)
- The potential of regenerative agriculture to improve soil health on Gotland, Sweden (2022) (1)
- Pedoclimatic factors and management determine soil organic carbon and aggregation in farmer fields at a regional scale (2022) (1)
- Impact of compaction and post-compaction vegetation management on aggregate properties, Weibull modulus, and interactions with intra-aggregate pore structure (2020) (1)
- Comparing measured with simulated vertical soil stress under vehicle load: Are the measurements or the models wrong? (2012) (1)
- Simulation of soil stress under plate sinkage loading: A comparison of finite element and discrete element methods (2022) (1)
- Soil Structure - the elusive and fragile scaffolding for soil ecological functioning (2019) (0)
- Field-based geophysical characterization of soil structure (2019) (0)
- Editorial: Eurosoil 2021: Sustainable management of soil functions as a basis to avoid, halt, and reverse land degradation (2022) (0)
- Earthworm burrowing modes and rates depend on earthworm species and soil mechanical resistance (2022) (0)
- A long-term soil structure observatory for post-compaction soil structure and function recovery rates (2018) (0)
- Effect of persistent subsoil compaction on N2O emissions from arable soils (2011) (0)
- Quantification of Transmission of Vertical stress and Soil Structure under Partially Confined Uniaxial Compression using X-ray CT (2015) (0)
- Dynamic modelling of soil structure and its links with soil processes: status and challenges (2019) (0)
- Nesting of ground‐nesting bees in arable fields is not associated with tillage system per se, but with distance to field edge, crop cover, soil and landscape context (2022) (0)
- Root development under fluctuating soil physical stress – plastic and elastic responses (2020) (0)
- A long-term soil structure observatory for post-compaction soil structure evolution: design and initial soil structure recovery observations (2016) (0)
- The Geophysical Signatures of Soil Structure (2019) (0)
- Modelling dynamic interactions between soil structure and soil organic matter (2020) (0)
- A Comparison of Major Arable Production Systems: An Agronomic, Environmental and Ecological Evaluation (2018) (0)
- An approach to modelling soil structure dynamics and soil structure recovery due to earthworm bioturbation and root growth (2021) (0)
- Characterization of field compaction using shrinkage analysis and visual soil examination (2016) (0)
- Rainfall-induced soil aggregate breakdown in field experiments at different rainfall intensities and initial soil moisture conditions (2017) (0)
- Long-term effects of different tillage and field operation regimes on soil structure (2012) (0)
- Compost-induced improvements of soil physical properties in agricultural fields on loess (2013) (0)
- Soil compaction: Evaluation of stress transmission and resulting soil structure (2016) (0)
- No Till and Organic Farming Improve Soil Properties but Reduce Crop Yield Compared to Conventional Farming in a Swiss Farm Network (2018) (0)
- Seismic characterization of soil structure - field observations and modeling (2019) (0)
- A filter assembly for hydraulic medium, in particular oil (2010) (0)
- FINAL PROGRAMME INNOVATIVE CROPPING AND FARMING SYSTEMS FOR HIGH QUALITY FOOD PRODUCTION SYSTEMS (2018) (0)
- Organic carbon content in arable soil – aeration matters (2018) (0)
- Physical Characterization of Top- and Subsoils and Their Implications in Stress Propogation (2014) (0)
- A new approach to modelling soil structure dynamics and a preliminary application to structure recovery by earthworm bioturbation after heavy compaction (2020) (0)
- A novel platform to quantify crack evolution in soil caused by plant water uptake (2019) (0)
- “Ecologically optimized hydropower”: Innovative projects in Bavaria (2015) (0)
- Supporting Information for "Lasting effects 1 of soil compaction on soil water regime 2 confirmed by geoelectrical monitoring" (2021) (0)
- Structure liming reduces draught requirement on clay soil (2023) (0)
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