Natural History Wanderings

Smithsonian Magazine reported

After the herbicide dicamba exploded in popularity among industrial farmers in 2017, some Illinois residents noticed curled and discolored leaves on native oak trees.
Scientists and conservationists are gathering data in hopes of advocating for restrictions on herbicide use, such as tighter regulations on spraying in high winds.

Read on www.smithsonianmag.com/science-nature/whats-killing-these-oak-trees-in-the-midwest-conservationists-believe-drifting-herbicides-are-to-blame-180987817/