The right combination of soil, weather, and management techniques are needed to reach the 100 bushel per acre genetic yield potential of soybean. Even though growers can't control the weather, they can improve soybean yields by having a good understanding of how a soybean plant grows and using good crop management techniques. Soybean Growth and Development, a new Iowa State University (ISU) Extension publication, is just the tool to help producers improve soybean yields.