Melons splitting, not exploding, no melony shrapnel flying. It happens with undoped fruit too, we have just bred it out of them. From the few english articles I read it seems that they used too much of it and at exactly the wrong time (right before a prolonged heavy rain). I'd say that this is about as bad of an accident as putting too much hot
chicken manure on your plants and burning their
roots; It sucks for the farmers, but it's nothing freakish or unprecedented.