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1 June 2016

Herbicides, Critical Source Areas, and Vegetated Buffers

Waging Chemical Warfare on Weeds Last fall, while on one of my country road walking routes, I noticed an advanced infestation of marestail (Conyza canadensis) in a soybean field. Evidently, this weed, and others, is becoming herbicide-resistant. A new agricultural herbicide called Acuron (link goes to manufacturer’s website) is on the market, and in some fields. Acuron has been developed in response to “superweeds” that have grown resistant to glyphosate, …

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22 April 2016

It’s Mud Season on Lake Erie

This (above) is a MODIS satellite image of Lake Erie taken April 15, 2016. It clearly shows sediment entering the lake from major rivers and tributaries. The brownish hues on the land surface indicate “leaf off,” dead or dormant plant cover, and bare-ground agricultural fields. Later in the summer, the tawny sediment plumes of spring will give way to verdant swirls of nuisance algae blooms, like this: Between mud season …

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