trt temp sucrose  energy1-energy3
   1 20  20        3.1 3.7 4.7
   2 20  40        5.5 6.7 7.3
   3 20  60        7.9 9.2 9.3
   4 30  20        6 6.9 7.5
   5 30  40        11.5 12.9 13.4
   6 30  60        17.5 15.8 14.7
   7 40  20        7.7 8.3 9.5
   8 40  40        15.7 14.3 15.9
   9 40  60        19.1 18.0 19.9