TABLE 3. CRATES OF LETTUCE PER ACRE HARVESTED FROM A VARIETY AND STRAIN, DATE OF PLANTING TEST, EVERGLADES EXPERIMENT STATION,
 BELLE GLADE, FLORIDA, 1948.
 Number of 60 pound Crates per Acre
 ist 2nd 3rd 4th 5th 6th
No. Variety or Strain Stock No. Seed Source Planting Planting Planting Planting Planting Planting Grand Average
1. Great Lakes Southern
 Seed Co. 585 538 435 314 140 68 347
 2. Cornell #456 4140 Ferry-Morse 506 356 290 294 193 328
 3. Imperial #847 6173 Ferry-Morse 87 157 266 279 197
 4. Imperial #44 5098 Ferry-Morse 392 318 365 338 232 329
 5. Great Lakes 6412 Ferry-Morse 567 612 390 409 294 157 405
 6. Great Lakes Corneli 542 544 329 424 171 141 359
 7. Imperial #847 Corneli 113 107 394 314 232
 8. Cornell #456 Corneli 537 498 419 353 285 101 366
 9. Great Lakes 726 Abbott & Cobb 503 457 329 301 290 132 335
 10. Great Lakes C261.h Kilgore 528 588 391 387 267 84 374
 11. Great Lakes C261.3 Kilgore 620 478 395 402 201 138 372
 12. Imperial #44 C256.1 Kilgore 316 422 359 316 298 46 293
 13. Cornell #456 C253.1 Kilgore 490 463 362 323 270 382
 Least significant difference at 5% point 85 126 95 88 98 59
 Least significant difference at 1% point 114 168 126 120 132 79