The chart shows the distribution of publications by all Research.com ranked scientists in the field of Plant Science and Agronomy in 2026. The highlighted bar marks where Douglas L. Karlen sits on this spectrum.
This scientist: 329 publications — 95th percentile
95% of scientists in this discipline score the same or lower.
The last bar groups every scientist with 467 publications or more.
The chart shows the D-index (discipline H-index) distribution of Plant Science and Agronomy scientists ranked by Research.com in 2026. The highlighted bar marks where Douglas L. Karlen sits on this spectrum.
This scientist: 90 D-Index — 96th percentile
96% of scientists in this discipline score the same or lower.
The last bar groups every scientist with 109 D-Index or more.
His scientific interests lie mostly in Agronomy, Soil quality, Soil water, Soil management and Crop rotation. His Agronomy research integrates issues from Soil organic matter and No-till farming. Douglas L. Karlen has included themes like Scale, Soil health, Land use and Environmental planning in his Soil quality study.
His Soil water study is related to the wider topic of Soil science. The concepts of his Soil management study are interwoven with issues in Soil test and Soil functions. His study in Crop rotation is interdisciplinary in nature, drawing from both Cropping system and Environmental engineering.
Douglas L. Karlen mainly investigates Agronomy, Tillage, Soil quality, Soil water and Soil management. His work on Agronomy is being expanded to include thematically relevant topics such as Corn stover. His Tillage study incorporates themes from Cover crop, No-till farming, Loam and Bulk density.
His research on Soil quality also deals with topics like
Douglas L. Karlen mostly deals with Agronomy, Soil health, Tillage, Soil carbon and Soil water. Douglas L. Karlen interconnects Soil structure, No-till farming, Corn stover and Soil quality in the investigation of issues within Agronomy. His work carried out in the field of Soil health brings together such families of science as Soil management, Agricultural engineering and Manure.
His biological study spans a wide range of topics, including Soil type, Bulk density, Crop rotation, Topsoil and Cropping system. His Soil water research incorporates themes from Water quality, Nutrient and Crop production. His Crop residue research is multidisciplinary, incorporating perspectives in Soil organic matter and Stover.
His primary areas of study are Agronomy, Soil health, Tillage, Soil carbon and Soil quality. Douglas L. Karlen combines subjects such as Soil structure and Ultisol with his study of Agronomy. The Soil health study combines topics in areas such as Crop yield and Environmental planning.
His Tillage study integrates concerns from other disciplines, such as Soil type, Cover crop, Crop rotation, Topsoil and Cropping system. His work deals with themes such as Soil organic matter, Crop residue, Erosion and Corn stover, which intersect with Soil carbon. His studies deal with areas such as Technical support, Natural resource and Soil retrogression and degradation as well as Soil quality.
C. A. Cambardella;T. B. Moorman;T. B. Parkin;D. L. Karlen
D. L. Karlen;M. J. Mausbach;J. W. Doran;R. G. Cline
David A. Laird;Pierce Fleming;Dedrick D. Davis;Robert Horton
David Laird;Pierce Fleming;Baiqun Wang;Robert Horton
S.S. Andrews;D.L. Karlen;J.P. Mitchell
Susan S. Andrews;Douglas L. Karlen;Cynthia A. Cambardella
Dana L. Dinnes;Douglas L. Karlen;Dan B. Jaynes;Thomas C. Kaspar
Douglas L. Karlen;Craig A. Ditzler;Susan S. Andrews
W. W. Wilhelm;Jane M. F. Johnson;Douglas L. Karlen;David T. Lightle
D. L. Karlen;G. E. Varvel;Donald Bullock;R. M. Cruse
John J. Brejda;Thomas B. Moorman;Douglas L. Karlen;Thanh H. Dao
D.L. Karlen;S.S. Andrews;J.W. Doran
Susan S. Andrews;Jeffrey P. Mitchell;Roberto Mancinelli;Douglas L. Karlen
D.B. Jaynes;T.S. Colvin;D.L. Karlen;C.A. Cambardella
R. Michael Lehman;Cynthia A. Cambardella;Diane E. Stott;Veronica Acosta-Martinez
Douglas L. Karlen;Eric G. Hurley;Susan S. Andrews;Cynthia A. Cambardella
Unknown
D. E. Stott;S. S. Andrews;M. A. Liebig;Brian J. Wienhold
C. A. Cambardella;D. L. Karlen
Douglas L. Karlen;Kristen S. Veum;Kenneth A Sudduth;John F. Obrycki
C. A. Cambardella;T. B. Moorman;D. B. Jaynes;J. L. Hatfield
D. L. Karlen;R. L. Flannery;E. J. Sadler
Márcio R. Nunes;Douglas L. Karlen;Kristen S. Veum;Thomas B. Moorman
Sally D Logsdon;Douglas L Karlen
John J. Brejda;Douglas L. Karlen;Jeffrey L. Smith;Deborah L. Allan
O. Fernández-Ugalde;I. Virto;P. Bescansa;M.J. Imaz
John J. Brejda;Thomas B. Moorman;Jeffrey L. Smith;Douglas L. Karlen
Natalia Rogovska;David A. Laird;Samuel J. Rathke;Douglas L. Karlen
D.L. Karlen;N.S. Eash;P.W. Unger
D. L. Karlen;M. J. Rosek;J. C. Gardner;D. L. Allan
Douglas L. Karlen;Cynthia A. Cambardella;John L. Kovar;Thomas S. Colvin
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