There are a number of issues, many weather-related, currently affecting crops in the U.S. and around the world.The Kansas wheat crop quality tour will take place next week. This one could prove to be interesting because a number of those who have been looking around this week don’t believe the crop is as impressive as the weekly ratings suggest. There are two issues the tour will see. The first is that various diseases appear to be a significant problem in some areas, but the question is whether they are serious enough to affect yield potential. The second is whether any damage is evident following this week’s unexpectedly low temperatures across much of the state.A year ago, all of Australia entered a wet pattern as the fall and winter sea...