Heat Unit Zone (CHU-M1) Switch Date >3,200+ May 30–early June 2800–3,200 May 20–25 < 2,800 May 15–20 Source: Adapted from R. Iragavarapu. Basing Hybrid Maturity on Long-Term Data. Pioneer Hi-Bred Ltd. Maturity Ratings Corn development is driven primarily by temperature, especially during the planting-to-silking period. Unlike soybeans, day length has little effect on the rate … Continue reading Hybrid Selection […]
