D-Index & Metrics Best Publications

D-Index & Metrics D-index (Discipline H-index) only includes papers and citation values for an examined discipline in contrast to General H-index which accounts for publications across all disciplines.

Discipline name D-index D-index (Discipline H-index) only includes papers and citation values for an examined discipline in contrast to General H-index which accounts for publications across all disciplines. Citations Publications World Ranking National Ranking
Plant Science and Agronomy D-index 39 Citations 8,281 77 World Ranking 1054 National Ranking 284

Research.com Recognitions

Awards & Achievements

1994 - Fellow of the Soil Science Society of America (SSSA)

1990 - Fellow of the American Society of Agronomy (ASA)

Overview

What is he best known for?

The fields of study he is best known for:

  • Agronomy
  • Fertilizer
  • Botany

James S. Schepers spends much of his time researching Agronomy, Fertilizer, Chlorophyll, Crop and Canopy. His Agronomy study combines topics in areas such as Nitrogen deficiency and Reflectivity. His studies deal with areas such as Fertigation and Yield as well as Crop.

His work carried out in the field of Yield brings together such families of science as Chlorophyll meter and Normalized Difference Vegetation Index. His Canopy research is multidisciplinary, relying on both Radiation and Shortwave radiation. His Growing season research integrates issues from Nutrient management and Agricultural engineering.

His most cited work include:

  • In‐Season Prediction of Potential Grain Yield in Winter Wheat Using Canopy Reflectance (367 citations)
  • Comparison of corn leaf nitrogen concentration and chlorophyll meter readings (346 citations)
  • Use of a Chlorophyll Meter to Monitor Nitrogen Status and Schedule Fertigation for Corn (313 citations)

What are the main themes of his work throughout his whole career to date?

James S. Schepers mainly focuses on Agronomy, Fertilizer, Canopy, Crop and Growing season. While the research belongs to areas of Agronomy, he spends his time largely on the problem of Chlorophyll, intersecting his research to questions surrounding Red edge. The Fertilizer study combines topics in areas such as Soil water, Agricultural engineering and Irrigation.

His Canopy research is multidisciplinary, incorporating perspectives in Normalized Difference Vegetation Index, Remote sensing, Reflectivity and Horticulture. He has included themes like Nitrate test, N application and Stalk in his Crop study. His research integrates issues of Leaching, Nitrogen deficiency and Groundwater in his study of Growing season.

He most often published in these fields:

  • Agronomy (67.35%)
  • Fertilizer (32.65%)
  • Canopy (20.41%)

What were the highlights of his more recent work (between 2015-2020)?

  • Agronomy (67.35%)
  • Crop (19.39%)
  • Fertilizer (32.65%)

In recent papers he was focusing on the following fields of study:

Agronomy, Crop, Fertilizer, Optical reflectance and Red edge are his primary areas of study. His Agronomy research incorporates elements of Canopy and Leaching. The study incorporates disciplines such as N application, Yield and Reflectivity in addition to Crop.

James S. Schepers combines subjects such as Soil organic matter and Grain yield with his study of Yield. His Fertilizer research incorporates themes from DNS root zone, Variable Rate Application, Lint and High spatial resolution. He has researched Optical reflectance in several fields, including Zea mays, Remote sensing and Sowing.

Between 2015 and 2020, his most popular works were:

  • Algorithms for In-Season Nutrient Management in Cereals (44 citations)
  • Efficiency of chlorophyll in gross primary productivity: A proof of concept and application in crops. (19 citations)
  • Nitrogen uptake and N-use efficiency of Mediterranean cotton under varied deficit irrigation and N fertilization (18 citations)

In his most recent research, the most cited papers focused on:

  • Agronomy
  • Botany
  • Fertilizer

James S. Schepers mainly investigates Agronomy, Fertilizer, Canopy, Cereal grain and Randomized block design. His work blends Agronomy and Primary production studies together. His study in Fertilizer is interdisciplinary in nature, drawing from both Cropping system, Crop yield, Topsoil and Lint.

His research in Canopy intersects with topics in Photosynthesis, Chlorophyll, Vegetation and Phenology. The concepts of his Cereal grain study are interwoven with issues in Growing degree-day, N management, Crop, Nutrient management and Cropping. His Randomized block design research is multidisciplinary, incorporating elements of Precision agriculture, Winter wheat, Leaching, High spatial resolution and Water balance.

This overview was generated by a machine learning system which analysed the scientist’s body of work. If you have any feedback, you can contact us here.

Best Publications

In‐Season Prediction of Potential Grain Yield in Winter Wheat Using Canopy Reflectance

William R. Raun;John B. Solie;Gordon V. Johnson;Marvin L. Stone.
Agronomy Journal (2001)

549 Citations

Comparison of corn leaf nitrogen concentration and chlorophyll meter readings

J. S. Schepers;D. D. Francis;M. Vigil;F. E. Below.
Communications in Soil Science and Plant Analysis (1992)

527 Citations

Use of a Chlorophyll Meter to Monitor Nitrogen Status and Schedule Fertigation for Corn

T.M. Blackmer;J.S. Schepers.
Journal of Production Agriculture (1995)

475 Citations

Ability for In‐Season Correction of Nitrogen Deficiency in Corn Using Chlorophyll Meters

Gary E. Varvel;James S. Schepers;Dennis D. Francis.
Soil Science Society of America Journal (1997)

367 Citations

Optical Sensor‐Based Algorithm for Crop Nitrogen Fertilization

W. R. Raun;J. B. Solie;M. L. Stone;K. L. Martin.
Communications in Soil Science and Plant Analysis (2005)

361 Citations

Remotely measuring chlorophyll content in corn leaves with differing nitrogen levels and relative water content

Michael R. Schlemmer;Dennis D. Francis;J.F. Shanahan;James S. Schepers.
Agronomy Journal (2005)

352 Citations

Nitrogen Deficiency Detection Using Reflected Shortwave Radiation from Irrigated Corn Canopies

Tracy M. Blackmer;James S. Schepers;Gary E. Varvel;Elizabeth A. Walter‐Shea.
Agronomy Journal (1996)

351 Citations

Responsive in-season nitrogen management for cereals

J. F. Shanahan;N. R. Kitchen;W. R. Raun;J. S. Schepers.
Computers and Electronics in Agriculture (2008)

307 Citations

Remote estimation of nitrogen and chlorophyll contents in maize at leaf and canopy levels

Michael Schlemmer;Anatoly A. Gitelson;James S. Schepers;Richard B. Ferguson.
International Journal of Applied Earth Observation and Geoinformation (2013)

294 Citations

Transmittance and Reflectance Measurements of CornLeaves from Plants with Different Nitrogen and Water Supply

James S. Schepers;T. M. Blackmer;Wallace Wilhelm;M. Resende.
Journal of Plant Physiology (1996)

254 Citations

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