"year" "co2trt" "rep" "dw/m2" 1997 "a" 1 169.089 1997 "a" 2 157.555 1997 "a" 3 131.315 1997 "c" 1 114.677 1997 "c" 2 84.429 1997 "c" 3 118.772 1997 "h" 1 209.4 1997 "h" 2 213.264 1997 "h" 3 171.857 1998 "a" 1 146.681 1998 "a" 2 200.732 1998 "a" 3 157.587 1998 "c" 1 114.037 1998 "c" 2 109.717 1998 "c" 3 104.221 1998 "h" 1 229.579 1998 "h" 2 280.363 1998 "h" 3 230.153 1999 "a" 1 171.638 1999 "a" 2 178.705 1999 "a" 3 142.105 1999 "c" 1 105.447 1999 "c" 2 81.324 1999 "c" 3 107.344 1999 "h" 1 179.968 1999 "h" 2 288.345 1999 "h" 3 203.279 2000 "a" 1 76.746 2000 "a" 2 73.612 2000 "a" 3 79.901 2000 "c" 1 52.211 2000 "c" 2 51.809 2000 "c" 3 49.691 2000 "h" 1 120.022 2000 "h" 2 113.079 2000 "h" 3 152.205 2001 "a" 1 102.26 2001 "a" 2 94.227 2001 "a" 3 112.365 2001 "c" 1 69.485 2001 "c" 2 62.686 2001 "c" 3 68.907 2001 "h" 1 121.138 2001 "h" 2 145.477 2001 "h" 3 143.41