There were quite a number of sometimes contradictory factors for grain and soy market traders to chew on today, including the National Oilseed Processors Association's (NOPA's) unexpected crush volume for March. General Comments There were quite a number of sometimes contradictory factors for grain and soy market traders to chew on today. They included the National Oilseed Processors Association's (NOPA's) unexpectedly large soybean crush volume for March, the lowest weekly ethanol production in six months, forecasts for substantial rainfall this week over the dry central and southern Plains, Midwestern corn planting progress, sharply higher crude oil prices, a weaker U.S. dollar and a stronger stock market. Also, China announced that its...