Author

Marvin J. Shaffer

Observed names: M. J. Shaffer, Marvin Shaffer, Shaffer Marvin J., Shaffer, M. J. (Marvin James), 1943-, Shaffer, Marvin J., Shaffer, Marvin J., author., Shaffer, Marvin, 1949-

Observed institutions: University of Minnesota, Agricultural Research Service, United States Department of Agriculture, Northern Great Plains Research Laboratory, Agricultural Research Service - Plains Area

OpenAlex ID: A5114252174

Calibrating the Root Zone Water Quality Model

1999 · Jonathan D. Hanson, K. W. Rojas, et al. · Agronomy Journal · 129

Essentials of a national nitrate leaching index assessment tool

2002 · Marvin J. Shaffer, Jorge A. Delgado · Journal of Soil and Water Conservation · 64

Computer Simulation Model of Dynamic Bio-Physicochemical Processes in Soils

1972 · Gordon R. Dutt, Marvin J. Shaffer, et al. · UA Campus Repository (The University of Arizona) · 49

A decade of change in nutrient management: a new nitrogen index

2006 · Jorge A. Delgado, Marvin Shaffer, et al. · Journal of Soil and Water Conservation · 45

PDF

Simulation of Nitrate‐Nitrogen Dynamics for Cropping Systems with Different Rooting Depths

2000 · Jorge A. Delgado, Ronald F. Follett, et al. · Soil Science Society of America Journal · 45

Decomposition of Surface Crop Residues in Long‐Term Studies of Dryland Agroecosystems

1999 · Liwang Ma, Lajpat R. Ahuja, et al. · Agronomy Journal · 45

Use of a new GIS nitrogen index assessment tool for evaluation of nitrate leaching across a Mediterranean region

2008 · Jose M. De Paz, Jorge A. Delgado, et al. · Journal of Hydrology · 35

Nitrogen Trading Tool to facilitate water quality credit trading

2008 · Christoph M. Gross, Jorge A. Delgado, et al. · Journal of Soil and Water Conservation · 26

Field Techniques for Modeling Nitrogen Management

2001 · Marvin J. Shaffer, Jorge A. Delgado · Elsevier eBooks · 25

Simulation Model for Soil Erosion‐Productivity Relationships

1985 · Marvin J. Shaffer · Journal of Environmental Quality · 25

Environmental Systems Optimization

1982 · Marvin J. Shaffer · Journal of Environmental Quality · 19

Nitrogen Trading Tool to facilitate water quality credit trading

2008 · C. M. Gross, J. A. Delgado, et al. · Journal of Soil and Water Conservation · 2

Soil Organic Matter and Carbon–Nitrogen Transformations

2022 · Marvin J. Shaffer, Lajpat R. Ahuja · Advances in agricultural systems modeling

PDF

FeAture Nitrogen trading tool to facilitate water quality credit trading

2008 · Christoph M. Gross, Jorge A. Delgado, et al.

Assessment of mineral nitrogen dynamic and its concentration in the soil profile with the updated NLEAP V.2 model: A case study in South Central Bulgaria

2007 · Gueorgui Anguelov, Jorge A. Delgado, et al.

Testing of a Nitrogen Index to Assess N Management Practices With GIS To Identify High-Risk Cropping System/Landscape Combinations

2007 · Jorge A. Delgado, Marvin J. Shaffer

List of Contributors

2001 · R.B. Alexander, David D. Baltensperger, et al. · Elsevier eBooks

Untitled

1985 · Shaffer Marvin J. · Journal of Environmental Quality

EPA Environmental Protection Technology

1977 · Shaffer, Marvin J., Ribbens, Richard W., et al. · University of North Texas Digital Library (University of North Texas)

Prediction of mineral quality of irrigation return flow /

1977 · Engineering and Research Center (U.S.), Huntley, Charles W., author., et al. · University of Michigan Library Repository

Works count: 22

Citation count: 509

H-index: 11

I10-index: 11