WorksheetsMiniLectureGrowLight - TuTran
Total questions: 6
Worksheet time: 3mins
Herb growers want their plants compact and enriched with flavor. Which light spectrum is advised?
More Blue ratio
More Green ratio
More Far-red ratio
More Red ratio
Higher intensity of light can result in sweeter tomato
TRUE
FALSE
Why is it not necessary to use a full-spectrum light greenhouse crop?
Because the sun is there
Because of the low efficacy of full-spectrum light
Because full-spectrum light causes photobleaching
Because of political issues
What is the efficacy of a grow light with 90% 6500k full-spectrum (efficacy of 2.9) and 10% blue (efficacy of 3.5) with 93% design efficiency?
2.96
2.9
3.5
2.75
Greenhouse strawberry need DLI of 28mol/m2/day, grow light PPFD 3.6mol/h/m2, sunlight 10mol/m2/day. How many hrs needed?
3
5
7
9
The most essential factor in choosing the best grow light
Efficacy, Spectrum, Design
Price, ROI
Your crop
A and B
