Publikationen

Publikationen Thomas Keller

Berisso F. E., Keller T., Lamandé M., Iversen B. V., Etana A., Simojoki A., Alakukku L., Arvidsson J., Forkman J., Schjønning P.
Persistence of subsoil compaction and its effects on pore characteristics and gas transport: In: NJF Seminar 448 on Soil compaction – effects on soil functions and strategies for prevention 6-8 March 2012, Helsinki, Finland.
NJF Report, 8, (1), 2012, 55-58.

Keller T., Lamandé M.
From soil stress to soil deformation: current state of the research : In: NJF Seminar 448 on Soil compaction – effects on soil functions and strategies for prevention 6-8 March 2012, Helsinki, Finland.
NJF Report, 8, (1), 2012, 19-21.

Keller T., Dexter A. R.
Plastic limits of agricultural soils as functions of soil texture and organic matter content.
Soil Research, 50, (1), 2012, 7-17.

Håkansson I., , Keller T., Arvidsson J. , Rydberg T.
Effects of seedbed properties on crop emergence. 4. Inhibitory effects of oxygen deficiency.
Acta Agriculturae Scandinavica, Section B - Soil & Plant Science, 62, (2), 2012, 166-171.

Arvidsson, J., Westlin, H., Keller T., Gilbertsson, M.
Rubber track systems for conventional tractors - Effects on soil compaction and traction.
Soil and Tillage Research, 117, 2011, 103-109.

Håkansson, I., Rydberg, T., Keller T., Arvidsson, J.
Effects of seedbed properties on crop emergence: 3. Effects of firming of seedbeds with various sowing depths and water contents.
Acta Agriculturae Scandinavica, Section B - Soil & Plant Science, 61, (8), 2011, 701-710.

Weisskopf P., Holpp M., Anken T., Keller T., Rek J.
Controlled traffic farming as a strategy to reduce compaction risk.
In: 6th International Soil Conference ISTRO. Crop management practices adaptable to soil conditions and climate changes. August 31 - September 2, Hrsg. Research Institute for Fodder Crops, Troubsko, Pruhonice Prague, Czech Republic. 2011, 184-191.

Håkansson, I., Arvidsson, J., Keller T., Rydberg, T.
Effects of seedbed properties on crop emergence: 1. Temporal effects of temperature and sowing depth in seedbeds with favourable properties.
Acta Agriculturae Scandinavica, Section B - Soil & Plant Science, 61, (5), 2011, 458-468.

Keller T., Berisso, F., Etana, A., Lamandé, M., Larsbo, M., Forkman, J., Arvidsson, J., de Jonge, L., Iversen, B., Jarvis, N. , Schjonning, P.
Subsoil pore charachteristics and functions are negatively affected 14 years after compaction in a Swedish sandy clay loam.
In: International Conference: Protection of agricultural soils against joint stress of natural and anthropogenic factors. 13th – 16th June , Hrsg. Institute of Soil Science and Plant Cultivation - State Research Institute, Puławy, Poland. 2011, 33-35.

Stettler, M., Keller T.
EDV senkt Bodendruck.
Lohnunternehmer, Special, 2011, 25-27.

Keller T., Lamandé, M., Schjønning, P. , Dexter, A. R.
Analysis of soil compression curves from uniaxial confined compression tests.
Geoderma, 163, (1-2), 2011, 13-23.

Arvidsson, J. , Keller T.
Comparing penetrometer and shear vane measurements with measured and predicted mouldboard plough draught in a range of Swedish soils.
Soil and Tillage Research, 111, (2), 2011, 219-223.

Lamandé, M., Keller T., Berli, M., Carizzoni, M., Delenne, J.-Y., Markgraf, W., Or, D., Peth, S., Rabbel, W., Rajchenbach, J., Selvadurai, P.
Towards new approaches for modelling soil mechanical behaviour.
In: 1st International Conference and Exploratory Workshop on Soil Architecture and Physio-Chemical Functions. November 30 - December 2, 2010, Hrsg. “CESAR” , Research Centre Foulum, Tjele, Denmark. 2010, 189-194.

Berisso, F. E., Schjonning, P., Lamandé, M., W de Jonge, L., Iversen, B. V., Wildenschild, D., Keller T., Arvidsson, J., Simojoki, A.
Persistent compaction effects on subsoil pore characteristics and hydraulic functions.
In: 1st International Conference and Exploratory Workshop on Soil Architecture and Physio-Chemical Functions. November 30 - December 2, 2010, Hrsg. “CESAR” , Research Centre Foulum, Tjele, Denmark. 2010, 47-50.

Etana, A., Keller T., Larsbo, M., Mossadeghi, M., Arvidsson, J., Jarvis, N. J. , Schjonning, P.
Visualization of subsoil compaction.
In: 1st International Conference and Exploratory Workshop on Soil Architecture and Physio-Chemical Functions . November 30 - December 2, 2010, Hrsg. “CESAR” , Research Centre Foulum, Tjele, Denmark. 2010, 87-90.

Keller T., Lamandé, M.
Challenges in the development of analytical soil compaction models.
Soil and Tillage Research, 111, (1), 2010, 54-64.

Keller T., Håkansson, I.
Estimation of reference bulk density from soil particle size distribution and soil organic matter content.
Geoderma, 154, (3-4), 2010, 398-406.

Keller T., Arvidsson, J.
Soil disturbance and soil fragmentation during tillage: Chapter 4.
In: Soil Engineering. Vol. Soil Biology 20, Hrsg. Dedousis, Athanasios P.; Bartzanas, Thomas, Springer-Verlag Berlin, Heidelberg. 2010, 51-66.

Arvidsson, J., Keller T.
Draught requirement during tillage: Chapter 1.
In: Soil Engineering, Vol. Soil Biology 20. Berlin, Heidelberg, Springer-Verlag. 2010.

Stettler, M., Keller T., Schjonning, P., Lamandé, M., Lassen, P., Pedersen, J., Weisskopf P.
Terranimo® - a web-based tool for assessment of the risk of soil compaction due to agricultural field trafic.
In: Conference AgEng 2010, European Society of Agricultural Engineers. September 6-8, 2010, Clermont-Ferrand, France. 2010.

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