Agricultural & Environmental Letters, Volume 7, Issue 2


Anthology ID:
G22-123
Month:
Year:
2022
Address:
Venue:
GWF
SIG:
Publisher:
Wiley
URL:
https://gwf-uwaterloo.github.io/gwf-publications/G22-123
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Addressing conservation practice limitations and trade‚Äźoffs for reducing phosphorus loss from agricultural fields
Peter J. A. Kleinman | Deanna L. Osmond | Laura E. Christianson | Don Flaten | James A. Ippolito | Helen P. Jarvie | Jason P. Kaye | Kevin W. King | April B. Leytem | Joshua M. McGrath | Nathan O. Nelson | Amy L. Shober | Douglas R. Smith | K. W. Staver | Andrew N. Sharpley

Conservation practices that reduce nutrient and soil loss from agricultural lands to water are fundamental to watershed management programs. Avoiding trade-offs of conservation practices is essential to the successful mitigation of watershed phosphorus (P) losses. We review documented trade-offs associated with conservation practices, particularly those practices that are intended to control and trap P from agricultural sources. A regular theme is the trade-off between controlling P loss linked to sediment while increasing dissolved P losses (no-till, cover crops, vegetated buffers, constructed wetlands, sediment control basins). A variety of factors influence the degree to which these trade-offs occur, complicated by their interaction and uncertainties associated with climate change. However, acknowledging these trade-offs and anticipating their contribution to watershed outcomes are essential to the sustainability of conservation systems.