Assertion: cultivator | /r/CapableOf | employ an 18- to 24-hour photoperiod
Facets:
value: during the vegetative phase
type: TEMPORAL
value: generally
type: DEGREE
Source sentences:
text: During the vegetative phase, cultivators generally employ an 18- to 24-hour photoperiod because the plants grow more quickly if they receive more light, although a warmer and cooler period are required for optimal health.