Corn
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1999 Slater Corn Variety Trial - Clarksburg Area
Cooperator:Slater Brothers
Planting date:April 26-27, 1999
Planter:Plate planter
Harvest date:October 14, 1999
Area harvested per plot:6 rows, 918 feet long
Soil type:Sacramento clay, Class III
Seed drop:5.5 inches
Planting depth:2 to 3 inches
Row spacing:30 inches
Rows per plot:12
Replications:2
Previous crop:1998 - tomatoes
Fertilizer:40 gallons 4-10-10 plus 1/4% zinc banded 2 inches below and 2 inches to side of seed at planting. Sidedressed 200 lbs. N as UN32.
Irrigations:4
Location:Northwest corner of Ryer Avenue and Solano County line
 

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Brand Name Variety Lbs/acre
@15.5%
Moisture		 Percent
Moist.
@ harv.		 Bu.
Wt.		 Ear ht (inch) Days
to
bloom		 Plant
pop.
per
acre		 Duncan's
Multiple
Range @
5% level
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1. NC+ 6868 10900 13.8 58.9 49 73 34800 A
2. DeKalb 632 10880 12.9 57.9 44 73 38300 A
3. NC+ RE527 10870 13.1 60.3 53 80 32400 A
4. Golden Harvest 2547 10620 12.8 57.7 44 73 35700 AB
5. Asgrow RX813 10470 13.0 58.0 44 75 31900 ABC
6. DeKalb 647 10320 12.7 56.6 51 77 36600 ABCD
7. Pioneer 33B50 10290 12.9 61.3 48 72 33100 ABCD
8. Asgrow RX670 10200 12.1 56.8 45 72 37400 ABCDE
9. Golden Harvest 2581 10190 12.5 57.3 45 73 36600 ABCDE
10. American Farm 8750 10170 13.1 58.1 49 82 33000 ABCDEF
11. Gutwein 2610 9900 12.5 56.1 51 76 33900 ABCDEFG
12. SeedTec 7525 9760 13.8 59.2 50 75 37400 ABCDEFG
13. Germain's 4333 9630 12.8 59.5 54 80 33800    BCDEFG
14. Germain's 4138 9550 12.6 57.0 54 81 35300    BCDEFG
15. SeedTec 7568 9530 13.8 57.9 51 82 31600    BCDEFG
16. Simplot Magnum 3 9510 13.7 59.4 52 76 35600    BCDEFG
17. Northrup King N7992 9370 13.8 60.1 55 82 36100       CDEFG
18. Cargill 8319 9310 14.2 58.8 50 73 34600       CDEFG
19. Pioneer 33R87 9180 12.4 62.4 50 73 35900          DEFG
20. Gutwein 2696 9030 12.6 58.0 54 82 33300             EFG
21. Northrup King N7931 9030 12.9 60.4 53 77 35400             EFG
22. Simplot 98-1152 9000 12.5 57.9 53 80 30900                FG
23. Cargill X8809 8770 12.3 56.7 60 82 32900                   G
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C.V.%   5.0 2.3 1.0 3.6 1.5 5.8  
L.S.D.@5%   1027 0.6 1.2 3.7 2.3 NS  
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Remarks: Clean field with very little diseases. In mostly one replication there was a large difference in plant height and ear size from the head ditch to the drain end of the field. The difference was noticeably different between varieties. Plant height and ear size were reduced at drain end of the field.
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Modified: 3 Jan 2003
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