A Global Perspective on Phosphorus Management Decision Support in Agriculture: Lessons Learned and Future Directions

P.J. Drohan, M. Bechmann, A. Buda, F. Djodjic, D. Doody, J.M. Duncan, A. Iho, P. Jordan, P.J. Kleinman, R. McDowell, P. Mellander, I.A. Thomas, P.J.A. Withers

Research output: Contribution to journalReview article

4 Citations (Scopus)

Abstract

The evolution of phosphorus (P) management decision support tools (DSTs) and systems (DSS), in support of food and environmental security has been most strongly affected in developed regions by national strategies (i) to optimize levels of plant available P in agricultural soils, and (ii) to mitigate P runoff to water bodies. In the United States, Western Europe, and New Zealand, combinations of regulatory and voluntary strategies, sometimes backed by economic incentives, have often been driven by reactive legislation to protect water bodies. Farmer-specific DSSs, either based on modeling of P transfer source and transport mechanisms, or when coupled with farm-specific information or local knowledge, have typically guided best practices, education, and implementation, yet applying DSSs in data poor catchments and/or where user adoption is poor hampers the effectiveness of these systems. Recent developments focused on integrated digital mapping of hydrologically sensitive areas and critical source areas, sometimes using real-time data and weather forecasting, have rapidly advanced runoff modeling and education. Advances in technology related to monitoring, imaging, sensors, remote sensing, and analytical instrumentation will facilitate the development of DSSs that can predict heterogeneity over wider geographical areas. However, significant challenges remain in developing DSSs that incorporate “big data” in a format that is acceptable to users, and that adequately accounts for catchment variability, farming systems, and farmer behavior. Future efforts will undoubtedly focus on improving efficiency and conserving phosphate rock reserves in the face of future scarcity or prohibitive cost. Most importantly, the principles reviewed here are critical for sustainable agriculture.
LanguageEnglish
Pages1218-1233
Number of pages16
JournalJournal of Environmental Quality
Volume48
Issue number5
DOIs
Publication statusPublished - 15 Aug 2019

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global perspective
Runoff
Catchments
Agriculture
Phosphorus
Education
Weather forecasting
phosphorus
agriculture
education
catchment
Farms
runoff
national strategy
digital mapping
Water
Remote sensing
Phosphates
weather forecasting
phosphate rock

Cite this

Drohan, P. J., Bechmann, M., Buda, A., Djodjic, F., Doody, D., Duncan, J. M., ... Withers, P. J. A. (2019). A Global Perspective on Phosphorus Management Decision Support in Agriculture: Lessons Learned and Future Directions. Journal of Environmental Quality, 48(5), 1218-1233. https://doi.org/10.2134/jeq2019.03.0107
Drohan, P.J. ; Bechmann, M. ; Buda, A. ; Djodjic, F. ; Doody, D. ; Duncan, J.M. ; Iho, A. ; Jordan, P. ; Kleinman, P.J. ; McDowell, R. ; Mellander, P. ; Thomas, I.A. ; Withers, P.J.A. / A Global Perspective on Phosphorus Management Decision Support in Agriculture: Lessons Learned and Future Directions. In: Journal of Environmental Quality. 2019 ; Vol. 48, No. 5. pp. 1218-1233.
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Drohan, PJ, Bechmann, M, Buda, A, Djodjic, F, Doody, D, Duncan, JM, Iho, A, Jordan, P, Kleinman, PJ, McDowell, R, Mellander, P, Thomas, IA & Withers, PJA 2019, 'A Global Perspective on Phosphorus Management Decision Support in Agriculture: Lessons Learned and Future Directions', Journal of Environmental Quality, vol. 48, no. 5, pp. 1218-1233. https://doi.org/10.2134/jeq2019.03.0107

A Global Perspective on Phosphorus Management Decision Support in Agriculture: Lessons Learned and Future Directions. / Drohan, P.J.; Bechmann, M.; Buda, A.; Djodjic, F.; Doody, D.; Duncan, J.M.; Iho, A.; Jordan, P.; Kleinman, P.J.; McDowell, R.; Mellander, P.; Thomas, I.A.; Withers, P.J.A.

In: Journal of Environmental Quality, Vol. 48, No. 5, 15.08.2019, p. 1218-1233.

Research output: Contribution to journalReview article

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AU - Duncan, J.M.

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AU - Jordan, P.

AU - Kleinman, P.J.

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AU - Thomas, I.A.

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