Projects per year
Personal profile
Expertise related to UN Sustainable Development Goals
In 2015, UN member states agreed to 17 global Sustainable Development Goals (SDGs) to end poverty, protect the planet and ensure prosperity for all. This person’s work contributes towards the following SDG(s):
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Dive into the research topics where John Thomas Spargo is active. These topic labels come from the works of this person. Together they form a unique fingerprint.
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Collaborations and top research areas from the last five years
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Projects
- 1 Finished
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NORTHEAST COORDINATING COMMITTEE ON SOIL TESTING
Spargo, J. T. (PI)
National Institute of Food and Agriculture
10/1/12 → 9/30/13
Project: Research project
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Accumulation of cadmium in soils, litter and leaves in cacao farms in the North Sierra Nevada de Santa Marta, Colombia
Guarín, D., Martín-López, J. M., Libohova, Z., Benavides-Bolaños, J., Maximova, S. N., Guiltinan, M. J., Spargo, J., da Silva, M., Fernandez, A. & Drohan, P., Mar 2024, In: Geoderma Regional. 36, e00762.Research output: Contribution to journal › Article › peer-review
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Improving a nitrogen mineralization model for predicting unfertilized corn yield
Arrington, K. E., Ordóñez, R. A., Rivera-Ocasio, Z., Luthard, M., Tierney, S., Spargo, J. T., Finney, D., Kaye, J. & White, C. M., May 1 2024, In: Soil Science Society of America Journal. 88, 3, p. 905-920 16 p.Research output: Contribution to journal › Article › peer-review
Open Access -
Models and sufficiency interpretation for estimating critical soil test values for the Fertilizer Recommendation Support Tool
Slaton, N. A., Pearce, A., Gatiboni, L., Osmond, D., Bolster, C., Miquez, F., Clark, J., Dhillon, J., Farmaha, B., Kaiser, D., Lyons, S., Margenot, A., Moore, A., Ruiz Diaz, D., Sotomayor, D., Spackman, J., Spargo, J. & Yost, M., Jul 1 2024, In: Soil Science Society of America Journal. 88, 4, p. 1419-1437 19 p.Research output: Contribution to journal › Article › peer-review
Open Access -
A spreadsheet for determining critical soil test values using the modified arcsine-log calibration curve
Bolster, C. H., Correndo, A. A., Pearce, A. W., Spargo, J. T., Slaton, N. A. & Osmond, D. L., Jan 1 2023, In: Soil Science Society of America Journal. 87, 1, p. 182-189 8 p.Research output: Contribution to journal › Article › peer-review
Open Access1 Scopus citations -
Cadmium contamination in cacao farms of Piura, North Peru: A comprehensive assessment of geogenic and anthropogenic sources and implications for future production
Guarín, D., Hamamura, N. R., Cortez, J. B., Benavides, J., Spargo, J., Guiltinan, M., Maximova, S., de la Cruz, O. A. & Drohan, P. J., Dec 2023, In: Environmental Challenges. 13, 100765.Research output: Contribution to journal › Article › peer-review
Open Access1 Scopus citations