"Those best-management practices are a far cry from the treatment that a pulp and paper mill or a foundry or a cannery or a sewage plant has to do before they let the wastewater go," he said. "It's like the Stone Age versus the Space Age."
Toxic algae: Once a nuisance, now a severe nationwide threat →
Without economic consequences for runoff, farmers have an incentive to use all the fertilizer needed to produce the highest yield, said Mark Clark, a University of Florida ecologist.
Toxic algae flourishes despite vast sums spent to prevent it →