My friend Todd, the barge pilot, says he’s been laid off for over six months. Freeze-up was late on Lake Pepin where he lives and the ice-off time was pretty normal, so why the lengthy time off?
High water.
Barges can’t make it up Lake Pepin and through the locks to ports in Shakopee in this water and the situation is far worse downstream. See for yourself; they’re all stuck south of Baton Rouge.
That means no pelletized nitrogen fertilizer is making its way up river to corn farmers in Minnesota and no stored grain is making it to market.
Many corn farmers have missed the deadline to plant this year. Some are taking advantage of “Prevent Plant” insurance to cover this loss of income and will plant cover crops to hold soil and nutrients in place for the rest of the season.
Even though this is tough news for an already feeble farm economy, it would seem like less corn and less nitrogen fertilizer coming in to the state, with more cover crops, might mean we would have less fertilizer leaching from the fields. But the opposite is being predicted.
All the rain we’ve had is flushing nutrients from the soil and down the Mississippi river. NOAA predicts that this summer’s Dead Zone in the Gulf of Mexico will be far larger than the recent average of 6,000 sq. miles (the size of Hawaii), ballooning to nearly 8,000 sq. mi. (the size of Massachusetts). The largest one, nearly 9,000 sq. mi., occurred in 2017 (the size of New Hampshire or Vermont). Dead Zones form where fertilizers, lost from farm fields, fertilize the algae in oceans instead. As the algae die off in mass quantities and decompose, they use up the oxygen in the water. These low-oxygen conditions kill marine life.
We in the upper Midwest have been singled out as major contributors to the Dead Zone in the Gulf and with the wettest decade on record and no sign of it letting up, it’s going to be even more difficult to reduce leaching of nitrogen.
The glimmer of hope is that Minnesota corn farmers may see the benefit of adding cover crops and will incorporate them in normal seasons, too. By sucking up that excess nitrogen every year, they can increase productivity and Minnesota can start to make headway.
We’re sailing upstream against a stiff current.
* This expression, first recorded in 1887, uses headway in the nautical sense of “a vessel’s forward movement.”
— Carrie Jennings, research and policy director
The Morton Salt Girl helped Mike Gresch crystalize (forgive the pun) some innovative ideas to save both money and impacts on the environment. That iconic image of her with salt pouring out onto the ground in the rain made something click in his brain: “Brine could work great for us!”
Another speaker suggested that the data that we share in graphs and charts might be as unintelligible as putting on a concert by showing everyone a score and expecting them to be able to hear the symphony, or at least hum a little bit of it.
Have you ever looked west and seen the stark boundary between forest and grasslands and wondered why it was there or whether it was a permanent feature? This example of an ecotone – a region of transition between two biological communities – is so much a part of what we expect to see as we drive the interstates (a boreal forest up north, prairie out west, and a sliver of deciduous forest separating the two) that it’s even part of our state welcome sign.
Why is this happening now in a time of global temperature rise? 
Remember your first taste of ocean water? In urbanized areas the first flush of meltwater in early March is two-to-three times as salty as ocean water. It’s easy to float in the ocean because salty water is more dense than fresh and sinks to the bottom. In freshwater lakes it does the same thing, where it wipes out the creatures that live near the bottom.
Right now, the lakes most polluted with salt are confined to the metro but as development reaches farther out, more lakes will be threatened. This isn’t a hypothetical argument — some metro lakes already do not meet the standard to be considered “freshwater”, such as Silver Lake in New Brighton. Others, such as Lake Johanna in Arden Hills and Cedar Lake in Minneapolis will follow soon. Many more are safe for now — Harriet in Minneapolis and Owasso, Snail, and Turtle in Shoreview — but without changes to our salt diet, these lakes will suffer the same fate.
She wondered why we would use those in our bathrooms and kitchens, places where we are most exposed to inhaling, ingesting, or absorbing them. In Brazil, cleaning takes place daily with water and either a squeegee or cloth that can be washed and line-dried. Floors have central drains and windows are thrown open to freshen and dry the rooms. And the rooms are clean! I have lived there for weeks on end and never thought twice about whether the housekeeping was adequate.
