Daniel W. Barker

Maximum soil organic carbon storage in Midwest U.S. cropping systems when crops are optimally nitrogen-fertilized

Hanna Poffenbarger, Daniel W. Barker, Matthew J. Helmers et al. · PLoS ONE · 2017 · 176 citations · Full text

Precision Agriculture, Engineering, Cropping Systems +19

Modeling Long-Term Corn Yield Response to Nitrogen Rate and Crop Rotation

Laila A. Puntel, John E. Sawyer, Daniel W. Barker et al. · Frontiers in Plant Science · 2016 · 155 citations · Full text

Understanding the DayCent model: Calibration, sensitivity, and identifiability through inverse modeling

Magdalena Necpálová, Robert P. Anex, Michael N. Fienen et al. · Environmental Modelling & Software · 2015 · 134 citations · Full text

Engineering, Computational Model, Measurement +21

Using Relative Chlorophyll Meter Values to Determine Nitrogen Application Rates for Corn

Jennifer A. Hawkins, John E. Sawyer, Daniel W. Barker et al. · Agronomy Journal · 2007 · 118 citations

Rcm Values, Crop Production, Environmental Monitoring +11

Corn Nitrogen Fertilization Requirement and Corn-Soybean Productivity with a Rye Cover Crop

José L. Pantoja, Krishna P. Woli, John E. Sawyer et al. · Soil Science Society of America Journal · 2015 · 107 citations · Full text

Biogeochemistry, Corn-soybean Productivity, Soybean Production +15