Bingo, the magic is if you have a hopper bottom rolling full both directions.   Still... gotta have the manpower and equipment sitting there to make it work when the fertilizer comes home if you need to turn the truck around and haul more beans tomorrow.  

Working that way probably won't get you on as many magazine cover articles as the Rosentreter or Stamp plan of farming bazillions of acres spread across 17 counties, but it might result in less bankruptcy filings.....