Keith D. Shepherd

Research.com Recognitions

• 2025 - Research.com Plant Science and Agronomy in Kenya Leader Award
• 2023 - Research.com Environmental Sciences in Kenya Leader Award
• 2022 - Research.com Environmental Sciences in Kenya Leader Award

Overview

Best Publications

• Development of Reflectance Spectral Libraries for Characterization of Soil Properties

  Keith D. Shepherd;Markus G. Walsh

  1307
  Citations

• Soil Fertility Replenishment in Africa: An Investment in Natural Resource Capital

  Pedro A. Sanchez;Keith D. Shepherd;Meredith J. Soule;Frank M. Place

  1261
  Citations

• Mapping Soil Properties of Africa at 250 m Resolution: Random Forests Significantly Improve Current Predictions.

  Tomislav Hengl;Gerard B. M. Heuvelink;Bas Kempen;Johan G. B. Leenaars

  980
  Citations

• Global soil characterization with VNIR diffuse reflectance spectroscopy

  David J. Brown;Keith D. Shepherd;Markus G. Walsh;M. Dewayne Mays

  919
  Citations

• Integrated soil fertility management: Operational definition and consequences for implementation and dissemination

  B Vanlauwe;A Bationo;J Chianu;K.E. Giller

  852
  Citations

• A global spectral library to characterize the world’s soil

  R.A. Viscarra Rossel;T. Behrens;E. Ben-Dor;D.J. Brown

  844
  Citations

• Digital Soil Map of the World

  Pedro A. Sanchez;Sonya Ahamed;Florence Carré;Alfred E. Hartemink

  708
  Citations

• The diversity of rural livelihoods and their influence on soil fertility in agricultural systems of East Africa - A typology of smallholder farms

  Pablo A. Tittonell;Pablo A. Tittonell;A. Muriuki;Keith D. Shepherd;D. Mugendi

  536
  Citations

• Soil Spectroscopy: An Alternative to Wet Chemistry for Soil Monitoring

  Marco Nocita;Antoine Stevens;Bas van Wesemael;Matt Aitkenhead

  484
  Citations

• Exploring diversity in soil fertility management of smallholder farms in western Kenya: II. Within-farm variability in resource allocation, nutrient flows and soil fertility status

  Pablo Adrián Tittonell;Pablo Adrián Tittonell;Bernard Vanlauwe;P.A. Leffelaar;Keith D. Shepherd

  363
  Citations

• The prediction of soil carbon fractions using mid-infrared-partial least square analysis

  L. J. Janik;J. O. Skjemstad;K. D. Shepherd;L. R. Spouncer

  344
  Citations

• Unravelling the effects of soil and crop management on maize productivity in smallholder agricultural systems of western Kenya—An application of classification and regression tree analysis

  Pablo A. Tittonell;Pablo A. Tittonell;Keith D. Shepherd;Bernard Vanlauwe;Ken E. Giller

  314
  Citations

• Soil nutrient maps of Sub-Saharan Africa: assessment of soil nutrient content at 250 m spatial resolution using machine learning.

  Tomislav Hengl;Johan G. B. Leenaars;Keith D. Shepherd;Markus G. Walsh

  309
  Citations

• Infrared spectroscopy—enabling an evidence-based diagnostic surveillance approach to agricultural and environmental management in developing countries

  Keith D. Shepherd;Markus G. Walsh

  292
  Citations

• Estimating the environmental costs of soil erosion at multiple scales in Kenya using emergy synthesis

  Matthew J. Cohen;Mark T. Brown;Keith D. Shepherd

  263
  Citations

• Soil fertility management in west Kenya: dynamic simulation of productivity, profitability and sustainability at different resource endowment levels

  K.D. Shepherd;M.J. Soule

  259
  Citations

• African Soil Properties and Nutrients Mapped at 30--m Spatial Resolution using Two-scale Ensemble Machine Learning

  Tomislav Hengl;Matthew A. E. Miller;Josip Križan;Keith D. Shepherd

  247
  Citations

• Organic matter stabilization in soil aggregates: Understanding the biogeochemical mechanisms that determine the fate of carbon inputs in soils

  Louis V. Verchot;Laure Dutaur;Keith D. Shepherd;Alain Albrecht

  239
  Citations

• Prediction of Soil Fertility Properties from a Globally Distributed Soil Mid-Infrared Spectral Library

  Thomas Terhoeven-Urselmans;Tor-Gunnar Vagen;Otto Spaargaren;Keith D. Shepherd

  220
  Citations

• Factors affecting the use of fertilizers and manure by smallholders: the case of Vihiga, western Kenya

  Michael M. Waithaka;Philip K. Thornton;Keith D. Shepherd;Nicholas N. Ndiwa

  213
  Citations

• Empirical reformulation of the universal soil loss equation for erosion risk assessment in a tropical watershed

  Matthew J. Cohen;Keith D. Shepherd;Markus G. Walsh

  203
  Citations