John Thomas Spargo

Director, Agricultural Analytical Services Lab, Plant Science

1016 Citations
15 h-Index

Research output per year

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Research Output

1016 Citations
15 h-Index
26 Article
1 Chapter
1 Review article

Legume cover crops reduce poultry litter application requirements in organic systems

Ackroyd, V. J., Cavigelli, M. A., Spargo, J. T., Davis, B., Garst, G. & Mirsky, S. B., Sep 1 2019, In : Agronomy Journal. 111, 5, p. 2361-2369 9 p.

Research output: Contribution to journal › Article

3 Scopus citations

Strengths and limitations of Nitrogen rate recommendations for corn and opportunities for improvement

Morris, T. F., Murrell, T. S., Beegle, D. B., Camberato, J. J., Ferguson, R. B., Grove, J., Ketterings, Q., Kyveryga, P. M., Laboski, C. A. M., McGrath, J. M., Meisinger, J. J., Melkonian, J., Moebius-Clune, B. N., Nafziger, E. D., Osmond, D., Sawyer, J. E., Scharf, P. C., Smith, W., Spargo, J. T., Van Es, H. M. & 1 others, Yang, H., Jan 1 2018, In : Agronomy Journal. 110, 1, p. 1-37 37 p.

Research output: Contribution to journal › Review article

38 Scopus citations

Water-extractable phosphorus in animal manure and manure compost: Quantities, characteristics, and temporal changes

Liu, J., Spargo, J. T., Kleinman, P. J. A., Meinen, R., Moore, P. A. & Beegle, D. B., May 1 2018, In : Journal of Environmental Quality. 47, 3, p. 471-479 9 p.

Research output: Contribution to journal › Article

2 Scopus citations

Characterizing cereal rye biomass and allometric relationships across a range of fall available nitrogen rates in the eastern United States

Mirsky, S. B., Spargo, J. T., Curran, W. S., Reberg-Horton, S. C., Ryan, M. R., Schomberg, H. H. & Ackroyd, V. J., Jan 1 2017, In : Agronomy Journal. 109, 4, p. 1520-1531 12 p.

Research output: Contribution to journal › Article

7 Scopus citations

Hairy vetch biomass across the eastern united states: Effects of latitude, seeding rate and date, and termination timing

Mirsky, S. B., Ackroyd, V. J., Cordeau, S., Curran, W. S., Hashemi, M., Reberg-Horton, S. C., Ryan, M. R. & Spargo, J. T., Jan 1 2017, In : Agronomy Journal. 109, 4, p. 1510-1519 10 p.

Research output: Contribution to journal › Article

22 Scopus citations