We’re at a point in the growing season where it is still a little early for soybeans to start senescing and turn yellow (dependent on maturity group, planting date, and growing conditions), so it makes you question why are yellow soybeans appearing in fields? There are several factors that can cause soybean leaves to turn yellow and drop.
As the harvest hustle and fall field work start to slow, it is time to reflect on the growing season to see what worked well and start making decisions for the next season. On farm yield data from the current season is a great way to evaluate hybrid and variety performance. For choosing new or different hybrids and varieties, the University of Illinois Variety Testing provides some useful information to aid in making those decisions.