What is the role of crop modelling and forecasting in greenhouse management?

• A. Predict growth, water/energy needs, harvest windows; aids planning for labor, supplies, and market timing; improve decision-making under climate variation.
• B. Serve only theoretical purposes with no practical use.
• C. Replace all field measurements with modelling.
• D. Modeling has no role in greenhouse management.

Answer: (A)

Crop modelling and forecasting in greenhouse management lets you anticipate how a crop will grow and what resources it will need, under current and simulated future conditions. This knowledge makes it possible to plan labor, order supplies, and time harvests and market deliveries so you use resources efficiently and meet demand. It also helps you manage risk from climate variation by testing how changes in temperature, light, CO2, humidity, and irrigation or heating strategies will affect yield and quality, so you can make proactive adjustments rather than reacting after problems arise. Models are tools to aid planning, but they rely on real data for calibration and validation, so they complement rather than replace field measurements. In short, modelling provides practical guidance for scheduling, resource use, and risk management, not a purely theoretical exercise.