Invasion of the Superweeds

American farmers’ broad use of the weedkiller glyphosphate — particularly Roundup, which was originally made by Monsanto — has led to the rapid growth in recent years of herbicide-resistant weeds. To fight them, farmers are being forced to spray f...

The new herbicides need checking. Roundup appears to be safe. it breaks down very rapidly. It does lead to algal blooms.