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Corn Grain  - Langdon
GrainYield Average Yield
Brand Hybrid Height Days 
to Silk
Harvest Moisture Test 
Wt
1997  1998 1999
year

year 
in % lbs/bu ----------------- bu/ac ----------------
Cargill 1877 89 80 29.6 45.0 -- -- 55.4 -- --
Cargill 2610 92 82 35.8 42.3 -- -- 59.4 -- --
DeKalb DK 334Bty 92 81 32.4 42.7 -- -- 61.5 -- --
DeKalb DK359RR 91 79 26.9 45.0 -- -- 68.8 -- --
Garst N8993 95 78 32.1 42.5 -- -- 76.1 -- --
Hyland Seed HL 2093 94 79 26.2 46.3 -- -- 79.3 -- --
Hyland Seed HL 2262 92 82 31.4 42.7 106.2 153.8 61.6 107.7 107.2
Hyland Seed HL 2266 88 78 28.0 48.3 -- -- 68.2 -- --
Novartis Seed N17-C5 93 83 39.1 41.5 -- -- 57.2 -- --
Novartis Seed NX 1107 90 79 29.9 45.0 -- -- 70.5 -- --
Novartis Seed NX 1118 95 81 35.8 43.2 -- -- 65.4 -- --
Novartis Seed NX 2127 95 81 43.5 41.7 -- -- 60.6 -- --
Payco 107 88 78 27.4 49.0 101.6 135.0 68.5 101.8 101.7
Payco 155 93 81 36.4 42.2 116.0 157.1 58.7 107.9 110.6
Proseed EK4828 89 79 26.0 47.3 -- -- 75.4 -- --
Proseed ET 70 89 77 27.5 48.0 -- -- 76.3 -- --
Proseed ET 755 90 77 30.5 49.3 -- -- 88.0 -- --
Proseed ET 81 93 80 32.4 43.5 -- -- 64.1 -- --
Mean 91.4 79.7 31.6 44.7 102.6 102.6 67.1 -- -- 
C.V. % 3.9 2.4 23.5 8.4 8.8 8.8 15.7 -- --
LSD .05 NS 3.2 NS NS 15.5 15.5 17.4 -- --

Planting Date: May 19, 1999
Harvest Date: October 20 & 21, 1999

Killing frost occurred on September 20, 1999.

Corn Growing Degree Days from May 19 to September 20 was 1563. Normal is 1742.