Wheat Soil moisture is becoming a problem for Argentina’s wheat crop. Crop conditions keep falling due to drought across the wheat-growing region and frosts in southern Buenos Aires province. Each week seems to bring with it fresh declines in the crop and soil moisture conditions ratings. This week, the crop declined again with the good/excellent rating at 32 percent, down 5 percent from last week and down 14 percent from two weeks ago. The soil moisture conditions rated as poor/dry increased from 43 percent last week to 52 percent.  August rains were well below average but precipitation forecasts for the first half of September suggest good rain for the core agricultural region plus Buenos Aires province. Northern parts of Arg...