There are many subjects, big and small, of interest to agricultural markets and worthy of discussion as we head deeper into February, although grain and soy markets often have a split focus during this month that has sometimes resulted in erratic price action. Among them are: 1) the old crop situation with seven months of the U.S. corn and soybean crop year still left, which is plenty of time for changes in perceived supply/demand fundamentals; 2) the impending spring planting season that will get underway in just a few weeks and force attention on what might lie ahead for the new crop; and 3) the South American harvest that by now should be well underway but is complicated  this year by the persistent Argentine drought. Then there are...