I’ll pipe in here the “poisons” you refer to are mostly coming out of the Minnesota River Valley… > On Apr 9, 2018, at 10:18 AM, Iznogoud <iznogoud at nobelware.com> wrote: > > I have a friend who works for a (mostly local) company called Sentera, which > is a "precision agriculture" innovator. They typically fly drones to monitor > crop-fields, to manage use of fertilizer. This is a positive development, in > that, we know in recent years there has been excessive use of fertilizers in > corn fields "just in case." The big implication is that water in some regions > of Minnesota is un-drinkable, and the almighty Mississippi is taking more of > thse poissons downstream. Using the advanced, robotics computer-vision methods, > use of such chemicals can -in principle- be kept to a minimum. So it is a win. -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://mailman.mn-linux.org/pipermail/tclug-list/attachments/20180409/47a1108c/attachment.html>