Life Sciences Commons^™

Phasic Temperature Control Appraised With The Ceres-Wheat Model, Tyler Volk, Bruce Bugbee, Francesco Tubiello

Controlled Environments

Phasic control refers to the specification of a series of different environmental conditions during a crop's life cycle, with the goal of optimizing some aspect of productivity. Because of the enormous number of possible scenarios, phasic control is an ideal situation for modeling to provide guidance prior to experiments. Here we use the Ceres-Wheat model, modified for hydroponic growth chambers, to examine temperature effects. We first establish a baseline by running the model at constant temperatures from 10°C to 30°C. Grain yield per day peaks at 15°C at a value that is 25 % higher than the yield at the …