Charles A. Shapiro

Charles A. Shapiro publication distribution in Plant Science and Agronomy in 2026

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 Charles A. Shapiro sits on this spectrum.

Charles A. Shapiro D-index placement in Plant Science and Agronomy in 2026

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 Charles A. Shapiro sits on this spectrum.

Research.com Recognitions

• 2019 - Fellow of the Soil Science Society of America (SSSA)
• 2005 - Fellow of the American Society of Agronomy (ASA)

Best Publications

• Cover Crops and Ecosystem Services: Insights from Studies in Temperate Soils

  Humberto Blanco-Canqui;Tim M. Shaver;John L. Lindquist;Charles A. Shapiro

  1178
  Citations

• Nitrogen application influences the critical period for weed control in corn

  Sean P. Evans;Stevan Z. Knezevic;John L. Lindquist;Charles A. Shapiro

  396
  Citations

• Corn Response to Nitrogen Rate, Row Spacing, and Plant Density in Eastern Nebraska

  Charles A. Shapiro;Charles S. Wortmann

  270
  Citations

• Soil organic carbon: The value to soil properties

  Humberto Blanco-Canqui;Charles A. Shapiro;Charles S. Wortmann;Rhae A. Drijber

  237
  Citations

• Glyphosate-Resistant Soybean Cultivar Yields Compared with Sister Lines

  Roger Wesley Elmore;Fred W. Roeth;Lenis Alton Nelson;Charles A. Shapiro

  201
  Citations

• Effect of growth promotants on the occurrence of endogenous and synthetic steroid hormones on feedlot soils and in runoff from beef cattle feeding operations.

  Shannon L. Bartelt-Hunt;Daniel D. Snow;William L. Kranz;Terry L. Mader

  171
  Citations

• The effects of manure application on soil aggregation

  C. S. Wortmann;C. A. Shapiro

  163
  Citations

• Assessing Variation in US Soybean Seed Composition (Protein and Oil)

  Yared Assefa;Larry C. Purcell;Montse Salmeron;Seth Naeve

  139
  Citations

• Soybean response to nitrogen application across the United States: A synthesis-analysis

  Spyridon Mourtzinis;Gurpreet Kaur;John M. Orlowski;Charles A. Shapiro

  133
  Citations

• Influence of nitrogen and duration of weed interference on corn growth and development

  Sean P. Evans;Stevan Z. Knezevic;John L. Lindquist;Charles A. Shapiro

  125
  Citations

• Nitrogen Use Efficiency of Irrigated Corn for Three Cropping Systems in Nebraska

  C.S. Wortmann;D.D. Tarkalson;C.A. Shapiro;A.R. Dobermann

  113
  Citations

• Glyphosate-Resistant Soybean Cultivar Response to Glyphosate

  Roger Wesley Elmore;Fred W. Roeth;Robert N. Klein;Stevan Z. Knezevic

  110
  Citations

• High-Yielding Corn Response to Applied Phosphorus, Potassium, and Sulfur in Nebraska

  Charles S. Wortmann;Achim R. Dobermann;Richard B. Ferguson;Gary W. Hergert

  100
  Citations

• Nitrogen and Irrigation Management Practices to Minimize Nitrate Leaching from Irrigated Corn

  R. B. Ferguson;C. A. Shapiro;G. W. Hergert;W. L. Kranz

  99
  Citations

• Large-Scale On-Farm Implementation of Soil Moisture-Based Irrigation Management Strategies for Increasing Maize Water Productivity

  Suat Irmak;Michael J. Burgert;Haishun Yang;Kenneth G. Cassman

  93
  Citations

• Nitrate Accumulation and Movement Under Deficit Irrigation in Soil Receiving Cattle Manure and Commercial Fertilizer

  D. D. Tarkalson;J. O. Payero;S. M. Ensley;Charles A. Shapiro

  89
  Citations

• Standardized precipitation index and nitrogen rate effects on crop yields and risk distribution in maize

  C.F Yamoah;D.T Walters;C.A Shapiro;C.A Francis

  82
  Citations

• Does inorganic nitrogen fertilization improve soil aggregation? Insights from two long-term tillage experiments.

  Humberto Blanco-Canqui;Richard B. Ferguson;Charles A. Shapiro;Rhae A. Drijber

  71
  Citations

• Yield Loss Due to Simulated Hail Damage on Corn: A Comparison of Actual and Predicted Values1

  C. A. Shapiro;T. A. Peterson;A. D. Flowerday

  69
  Citations

• Using a chlorophyll meter to manage nitrogen applications to corn with high nitrate irrigation water

  Charles A. Shapiro

  65
  Citations

• Bacterial and archaeal ammonia oxidizers respond differently to long-term tillage and fertilizer management at a continuous maize site

  Lauren M. Segal;Daniel. N. Miller;Ryan P. McGhee;Terrence D. Loecke

  51
  Citations

• Assessing Variation in US SoybeanSeed Composition (Protein and Oil)

  Yared Assefa;Larry C. Purcell;Montse Salmeron;Seth Naeve

  0
  Citations