Possible Clues:

• Setting temperature in garden is an applied science
• 'Science' of garden feature incorporating water centrally
• End of Star Trek coy about its technology
• Science concerned with missiles
• Part of the salad head revived with last of the chicory - it gives scientific types a lift
• Propulsion of missiles tested at first in part of garden
• Little time in garden for astronautical science
• Science of planting tea, you might say, in part of a garden
• One of the technology faculty's courses that's taking off?