Agricultural foundations

One of the things I find most frustrating in agricultural research is that, despite the subject matter, it often bears little relationship to the fundamental facts of life. Too often, we hear all sorts of extravagant claims being made that a bit of more analytical thought would show were somewhat less than likely to work out. No names, no pack drill; let's just say that natural selection has had an awful long time to try things out, and if something hasn't arisen (yet) there may well be a good r...