"... farmers who have opted to plant Monsanto’s genetically modified seeds have run into one daunting problem (outside of decreased yields and an extremely higher risk of disease): little ‘spear-like’ stalks from the harvested GMOs are absolutely wreaking havoc on the heavy duty tractor tires.
Described by one farmer as a ‘field of little spears’, farmers are now turning to kevlar tires. In case you’re not aware, kevlar is the same material used in bulletproof vests to protect from gun bullets."