CORN With a rainy start to April and excess moisture across much of Argentina’s agricultural region, the corn harvest has slowed, advancing just 2 percentage points over the past week to reach 21 percent of the total area. Rainfall during the second and third dekads of March was significant and consistently above normal, setting the stage for current soil moisture conditions.

These same rains are delaying fieldwork but providing a final boost to late corn, with crop conditions and yield potential improving, particularly through better grain weight. In this context, the Rosario Board of Trade raised its production estimate to 67 MMT, which appears optimistic relative to broader market expectations. Just weeks ago, estimates were below...