The big news of the week is USDA’s Prospective Plantings report showing farmers plan to sow more acres to soybean than to corn. If that outcome is realized, it will only be the third time this has occurred in modern U.S. farming history. The long-term dominance is why it is known as King Corn. The fact that fertilizer is now expensive and historically comprises three times the share of production cost in corn versus soybeans is the driver of this man bites dog tale. USDA’s report caused oilseed values to temporarily recede worldwide, but the bias is that farmers will plant more corn than they are contemplating today. The problem is that there is very little extra land to expand overall.  The first quarter rally in commodit...