When the particular weed killer Roundup was launched in the 1970s, it proved it could eliminate almost any plant while still being safer than a number of other herbicides, plus it allowed farmers to quit harsher chemicals and reduce tilling that can promote erosion The situation is the worst in the South, in which a number of farmers now walk fields using hoes, killing weeds in a way their great-grandfathers were very happy leave behind. Read More >