6. Production Systems
Greenhouse Management — Quiz
Test your understanding of greenhouse management with 5 practice questions.
Practice Questions
Question 1
Which greenhouse pest management tactic involves releasing predatory mites such as Phytoseiulus persimilis?
Question 2
To raise the pH of a peat-based propagation mix from 4.8 to approximately 5.8, which amendment is most appropriate?
Question 3
A greenhouse uses two LED fixtures each consuming 400 W operating 14 hours per day at a cost of $0.10 per kWh. What is the approximate monthly energy cost?
Question 4
If a crop requires 300 growing degree days (GDD) to flowering and average GDD accumulation is 15 °C·day, how many days until flowering?
Question 5
What is the primary energy-saving benefit of using thermal screens in greenhouse production?