Getahun G.T., Kätterer T., Munkholm L.J., Parvage M.M., Keller T., Rychel K., Kirchmann H.
Short-term effects of loosening and incorporation of straw slurry into the upper subsoil on soil physical properties and crop yield.
Soil & Tillage Research, 184, 2018, 62-67.

Bölenius E., Wetterlind J., Keller T.
Can within-in field yield variation be explained using horizontal penetrometer resistance and electrical conductivity measurements?: Results from three Swedish fields.
Acta Agriculturae Scandinavica, Section B - Soil & Plant Science, 68, (8), 2018, 690-700.

Colombi T., Chargas Torres L., Walter A., Keller T.
Feedbacks between soil penetration resistance, root architecture and water uptake limit water accessibility and crop growth: A vicious circle.
Science of the Total Environment, 626, 2018, 1026-1035.

Keller T., Berger-Landolt U.
Mutter Erde vergisst nur langsam.
BauernZeitung, Online, (2. April), 2018.

Fell V., Matter A., Keller T., Boivin P.
Patterns and factors of soil structure recovery as revealed from a tillage and cover-crop experiment in a compacted orchard.
Frontiers in Environmental Science, 6, 2018, 1-10.

Keller T., Lamandé M., Naderi-Boldaji M., Paiva de Lima R.
Approaches towards understanding soil compaction processes.
In: Novel Methods and Results of Landscape Research in Europe, Central Asia and Siberia. Ed. Mueller L. & Sychev V. (eds.), Russian Academy of Sciences FSBSI / Moscow. 2018, 274-279.

Farahani E., Emami H., Keller T.
Impact of monovalent cations on soil structure. Part II. Results of two Swiss soils.
International Agrophysics, 32, 2018, 69-80.

Farahani E., Emami H., Keller T., Fotovat A., Khorassani R.
Impact of monovalent cations on soil structure. Part I. Results of an Iranian soil.
International Agrophysics, 32, 2018, 57-67.

Naderi-Boldaji M., Kazemzadeh A., Hemmat A., Rostami S., Keller T.
Evolution of soil stress during repeated wheeling as affected by soil water content, wheel load and travel speed.
Soil Research, 56, (2), 2018, 204-214.

Farahani E., Emami H., Keller T., Fotovat A., Khorassani R.
Impact of monovalent cations on soil structure. Part I. Results of an Iranian soil.
International Agrophysics, 32, 2018, 57-67.

Wittwer R., Walder F., Büchi L., Schläppi K., Banerjee S., Hirte J., Mayer J., Colombi T., Keller T., Preschl U., Nemecek T., Seitz S., Schloten T., Loaiza Puerta V., Six J. e altri
Bodenfunktionen und Multifunktionalität unter ÖLN-, biologischer und bodenkonservierender Bewirtschaftung.
In: 5. Agroscope-Nachhaltigkeitstagung: Multifunktionelle Böden für Landwirtschaft und Umwelt. 18.01.2018, Reckenholz - Agroscope. 2018, 1-14.

Shi P., Thorlacius S., Keller T., Keller M., Schulin R.
Soil aggregate breakdown in a field experiment with different rainfall intensities and initial soil water contents.
European Journal of Soil Science, 68, (6), 2017, 853-863.

Vennik K., Keller T., Kukk P., Krebstein K., Reintam E.
Soil rut depth prediction based on soil strength measurements on typical Estonian soils.
Biosystems Engineering, 163, 2017, 78-86.

Colombi T., Kirchgessner N., Walter A., Keller T.
Root tip shape governs root elongation rate under increased soil strength.
Plant Physiology, 174, 2017, 2289-2301.

Guimarães R. M. L., Lamandé M., Munkholm L. J., Ball B. C., Keller T.
Opportunities and future directions for visual soil evaluation methods in soil structure research.
Soil and Tillage Research, 173, 2017, 104-113.

Guimarães R. M. L., Keller T., Munkholm L. J., Lamandé M.
Visual soil evaluation and soil compaction research.
Soil and Tillage Research, 173, 2017, 1-3.

Keller T., Colombi T., Ruiz S., Manalili M. P., Rek J., Stadelmann V., Wunderli H., Breitenstein D., Reiser R., Oberholzer H., Schymanski S., Romero-Ruiz A., Linde N., Weisskopf P., Walter A. e altri
Long-term soil structure observatory for monitoring post-compaction evolution of soil structure.
Vadose Zone Journal, 16, (4), 2017, 1-16.

Colombi T., Braun S., Keller T., Walter A.
Artificial macropores attract crop roots and enhance plant productivity on compacted soils.
Science of the Total Environment, 574, 2017, 1283-1293.

Schjønning P., McBride R. A., Keller T., Obour P. B.
Predicting soil particle density from clay and soil organic matter contents.
Geoderma, 286, 2017, 83-87.

Chervet A., Sturny W. G., Gut S., Sommer M., Stettler M., Weisskopf P., Keller T.
Charge maximale admissible à la roue - une variable caractéristique utile pour la pratique.
Recherche Agronomique Suisse, 7, (7-8), 2016, 330-337.