Submitted by Pamela Joosse <pamela.joosse at ontario.ca> --- www.greatlakespforum.com Registration and poster submission are open for the Great Lakes Phosphorus Forum at www.greatlakespforum.com. The Forum is being held July 28-31 in Windsor, Ontario in conjunction with the Annual Meeting of the Organization to Minimize Phosphorus Losses from Agriculture (SERA 17). Contribute your answers to what the important sources, pathways and fate of P from agriculture are, and what the options and trade-offs for mitigating agriculture's contribution of non-point P.