16 - 2020 Soybean Management Field Days - Soy Planting Date – Transpire Water

Soy Planting Date – Transpire Water - Jim Specht, UNL Emeritus Professor of Agronomy and Horticulture covers the following: In all crop plants, photosynthesis (uptake of CO2) and transpiration (loss of H20) are inextricably linked, which means crop yield and transpiration are highly correlated. A soybean crop yielding 75 bushels per acre in NE will generally require about 20 acre-inches (27,154 gallons per inch) of seasonal water. Let’s examine how and why.