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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, …
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 …
John Freeland earned a PhD in Soil Science (Pedology) at North Dakota State University and is a consultant working in the private sector. He has published soils research and taught at the high school and college levels. John is interested in wetlands, soil genesis, science communication, the intersection of art and science, and soil-water-landscape processes. John lives near the Ohio-Michigan border and plays bass in multiple music projects.