Too_Many_Tools writes:


The irony is that field runoff of fertilizer would represent money
going down the drain for a farmer...so I think there would be strong
motivation to control it. Any farmers out there who know if farming
practices have changed to control fertilizer ^X money runoff?

Well, around the Chesapeake Bay, Frank Purdue and friends must
build grass strips protecting waterways; the idea being such
helps absorb the runoff before it overloads the watercourse with
nutrients.

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