/johnny
Ok, show me the study.
Yea. I’ve seen this on field trips to visit California farmers, especially in the El Centro/Imperial Valley region.
It does not give one confidence in the food supply. At all.
BTW, you should see what the water flowing north of the border into the marshlands from Mexico looks like. Oh, the stench. The sanitation in Mexico has to be horrible to put that sort of effluent downstream.