Back to Resources SOYPHENO--Soybean Growth Stage Prediction--MSU-ES SOYPHENO is a model that can be used for predicting soybean growth stages based on maturity group and planting date in Central Mississippi. Related Articles Soybean Items of Interest No. 2--July 2025 BeanPACK & SOYMAP: Decision Support Tools for Soybeans Results from MSPB's 2023 Soybean Yield Contest