SIMULATION OF CO₂ CONSUMPTION, HEAT DEMAND AND CROP PRODUCTION OF GREENHOUSE TOMATO AT DIFFERENT CO₂ STRATEGIES

To determine the feasibility of CO₂ supply equipments in greenhouse cultures, a simulation program has been developed that calculates the hourly CO₂ and heat demand and daily crop production on the basis of hourly data of outside climate.

For a greenhouse tomato crop the simulation results of CO₂ concentration, photosynthesis, CO₂ losses by ventilation, total CO₂ expenditure and CO₂ production from combustion on a sunny and a cloudy day in spring are discussed.
Further the CO₂ production, total CO₂ expenditure and crop production for a one-year period are presented.
These daily and yearly simulations are done with different CO₂ strategies and with different CO₂ and heating installations.

IV International Symposium on CO2 in Protected Cultivation

G. Houter

https://doi.org/10.17660/ActaHortic.1990.268.14