Natural selection at work; how do people think the Roundup crop varieties were created in the first place? The plant breeders used Roundup to select for plants that would survive Roundup.
A rotation of other herbicides was always the plan to break Roundup resistance.
Roundup has allowed the use of no till and other forms of reduced tillage.
The loss of our nations soil dwarfs every other agricultural issue.
Have you every seen a no till field after a heavy rain? It has almost the same soil loss as your lawn.
Compare that to a tilled field after that same heavy rain. You will see large gullies and other indications of heavy soil erosion.
>>how do people think the Roundup crop varieties
>>were created in the first place?
Detasseling, a Midwest Rite Of Passage, Faces Extinction
http://www.mindfully.org/Farm/Detasseling-Faces-Extinction9aug02.htm
Been there... did that.
One of many articles showing the many benefits of using RoundUp in a soil saving no till system:
http://www.btny.purdue.edu/weedscience/2009/GlyTillage09.pdf