Table 1. Average tons of millable cane per acre per year for a seven-year period
 of four sugarcane varieties at the indicated depths to water table.


 Depth to water table in inches
 a/ a/ b/
 Variety 14.4 20.4 26.4 31.2 34.8 24.0- 33.6- 33.6-/

 Co. 281 51.6 49.2 44.1 51.9 47.4 47.6 47.3 44.0
 Co. 290 53.6 51.1 48.5 57.2 54.6 48.9 54.2 54.6
 F. 31-962 42.0 33.6 30.8 33.4 30.6 36.1 33.0 31.1
 F. 31-253 39.1 36.6 32.6 47.4 54.3 32.4 51.0 50.7


 Average 46.6 42.6 39.0 47.5 46.7 41.2 46.4 45.1

 a/ Overhead sprinkler irrigation.
 b/ Fluctuating water table.


 Table 2. Average yield of sucrose in tons per acre for a seven-year period of
 four sugarcane varieties at the indicated depths to water table.


 Depth to water table in inches

Variety 14.4 20.4 26.4 31.2 34.8 24.0-/ 33.6a/ 33.6b/

Co. 281 4.90 4.89 4.36 5.12 4.49 4.77 5.11 4.50
Co. 290 5.32 4.85 4.66 6.02 5.43 4.99 5.70 5.74
F. 31-962 5.19 3.94 3.77 4.08 3.87 4.42 4.23 3.97
F. 31-253 4.00 3.79 3.17 5.27 5.94 3.35 5.51 5.63


Average 4.85 4.34 3.99 5.12 4.93 4.38 5.14 4.96

a/ Overhead sprinkler irrigation.
b/ Fluctuating water table.


Table 3. Pounds of sucrose per ton of cane at the indicated depths to water table
 for four sugarcane varieties. Average of seven years.


 Depth to water table in inches
 a a/ b/
Variety 14.4 20.4 26.4 31.2 34.8 24.0- 33.6- 33.6-

Co. 281 190 199 198 197 190 200 216 205
Co. 290 199 190 192 211 199 204 210 210
F. 31-962 247 235 245 244 253 245 256 255
F. 31-253 205 207 195 222 219 207 216 219


Average 210 208 208 218 215 214 224 222


Overhead sprinkler irrigation.
Sub-surface irrigation.