Soil type. . . . . . . Bosket fine sandy loam
Soil pH. . . . . . . . 6.8
Soil fertility . . . . P--high, K--medium
Fertilizer added . . . Nitrogen @ 180 lb/a
Herbicide application. Preemergence--Lariat @ 4 qt/a
Irrigation . . . . . . None applied
Planting date. . . . . March 21
** (filled in early maturing on April 14)
** (replanted late maturing on April 25)
Harvest date . . . . . August 15 (early)
September 13 (late)
The planting season was normal with no significant variances in the weather. The early growing season was good. July was abnormally wet, with three times the normal rainfall. From July 26th until September 16th,there was approximately 1 inch of rain. The corn was not irrigated. Due to bird damage, some individual plots within the early maturing test had to be replanted but the late maturing test had to be completely replanted.
Inches
March. . . . . . 6.01
April. . . . . . 3.48
May. . . . . . . 5.12
June . . . . . . 1.98
July . . . . . . 11.58
August . . . . . 0.45
-----
Total. . . . . . 28.62
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Yield 2 yr Root Stalk Ear Harvested
Hybrid 1994 avg. Lodging Lodging Ht. Stand
Number Brand ---(bu/acre)--- (%) (%) (in) Moisture (x1000)
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8327 Cargill 106.2 -- 1 0 37 17.0 28.5
TR 1167 Terra 105.9 -- 2 0 39 17.0 25.5
TVX 2643 Terral 105.2 -- 1 0 41 15.8 25.5
X1183C Pioneer 102.1 -- 2 0 40 17.1 24.0
4581 Deltapine 98.5 109.4 0 0 38 16.8 27.5
N 8206 ICI 97.5 -- 0 0 37 18.8 24.0
DK 683 Dekalb 96.9 -- 0 0 41 16.8 26.0
N 7707 Northrup King 96.0 108.0 2 0 36 16.4 26.0
TR 1185 Terra 95.9 -- 4 1 40 18.4 26.0
N 8020 Northrup King 95.7 -- 1 0 38 17.0 23.5
ICI 8281 ICI 95.4 -- 2 2 36 17.2 23.0
HS 9843 HyPerformer 95.2 116.1 1 0 38 17.2 23.0
7997 Cargill 94.7 -- 0 0 37 16.5 27.0
8936 Cargill 91.9 -- 0 2 36 17.6 23.5
4653 Deltapine 91.7 -- 2 2 39 16.3 24.5
RX 897 Asgrow 91.0 113.1 1 0 37 17.5 23.0
8695 Deltapine 90.8 106.5 9 0 39 18.7 26.5
TR E1168 Terra 90.6 101.4 1 0 34 17.0 24.0
4682 Deltapine 89.4 -- 8 1 41 17.9 27.5
RX 919 Asgrow 88.8 -- 1 1 40 19.0 23.0
ORO 188 Mycogen 86.0 106.6 3 0 38 17.7 24.0
RX 907 Asgrow 84.7 -- 0 2 37 17.4 23.0
3245 Pioneer 84.1 113.0 0 2 36 17.7 23.0
RX 899 Asgrow 84.1 100.3 0 0 36 16.5 24.5
RX 801 Asgrow 81.3 -- 1 1 35 17.1 23.0
TV 2543 Terral 76.7 102.0 0 1 39 17.1 26.5
N 7989 Northrup King 71.9 96.4 0 1 40 17.3 26.0
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Overall Mean . . . . . . . . 92.1 106.6 Planted March 21 (filled in April 14)
LSD @ .10 . . . . . . . . 13.1 9.4 Harvested August 15
Error Degrees of Freedom . . 78 60
CV % . . . . . . . . . . . . 12.1 10.6
R squared % . . . . . . . . 49 83
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Yield 2 yr Root Stalk Ear Harvested
Hybrid 1994 avg. Lodging Lodging Ht. Stand
Number Brand ---(bu/acre)--- (%) (%) (in) Moisture (x1000)
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XP 9380 Asgrow 98.1 -- 0 6 45 14.3 23.5
ORO 8460 Mycogen 89.1 -- 0 6 46 14.6 24.0
X1183F Pioneer 89.0 -- 0 3 44 13.0 25.0
N 8656 Northrup King 86.3 -- 0 2 44 14.5 29.5
3163 Pioneer 81.7 97.9 0 4 40 13.3 26.5
3156 Pioneer 81.6 -- 1 4 47 13.9 24.0
5516 DynaGrow 81.0 -- 0 3 42 13.0 27.5
TR 702E Terra 80.8 96.0 0 7 42 13.6 27.5
TV 2930 Terral 80.7 98.5 0 6 43 14.3 23.0
3085 Pioneer 79.1 89.1 0 2 46 14.7 22.0
HY 9919 HyPerformer 76.6 -- 0 2 40 14.5 25.5
HY 9899V HyPerformer 76.1 -- 0 1 45 14.0 23.5
3167 Pioneer 74.9 95.6 0 0 45 15.0 26.5
HB 847002 HyPerformer 74.7 -- 0 2 44 14.1 26.5
DK 743 Dekalb 74.4 100.8 0 4 45 15.1 26.5
3154 Pioneer 73.3 83.6 0 4 43 13.8 20.5
N 8727 Northrup King 72.6 88.6 0 4 38 15.2 28.5
3165 Pioneer 72.3 97.1 0 2 42 14.6 26.0
3146 Pioneer 66.3 88.6 0 2 46 14.2 22.5
SB 1860 ICI 64.4 -- 0 3 45 17.2 24.5
N 8811 Northrup King 61.9 85.7 1 5 38 15.3 24.0
HS 9944 HyPerformer 61.8 92.6 0 2 42 13.7 22.5
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Overall Mean . . . . . . . . 77.0 92.8 Planted April 25
LSD @ .10 . . . . . . . . 15.9 10.2 Harvested September 13
Error Degrees of Freedom 63 67
CV % . . . . . . . . . . . . 17.5 13.2
R squared % . . . . . . . . 40 81