Calmer Agronomic Research Center
2007 Research Data
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Corn;  Pioneer vs Dekalb Hybrid Study

Corn Row Spacing Study 15" vs 30" vs 45" Rows
Dekalb Hybrids Composite
Average Yield
236 bu
Pioneer Hybrids Composite
Average Yield
222 bu

228 bu

45 inch

248 bu

30 inch

259 bu

15 inch

15" Row Planting Speed Study

228 bu

225 bu

6.5 mph

4.5 mph

Corn Population Study  Dekalb DKC 60-14

228bu

26K

239bu

28K

239bu

30K

239bu

32K

240bu

34K

36K

240bu

/Press Wheel Study

231bu

Spaders w/out
Press Wheels

Spaders with
Press Wheels

236bu

Tillage Study

246bu

No-Till
w/Row
Cleaners
Coulters &
Spaders

247bu

1 Pass
w/Field
Cultivatior

True
No-Till
w/Spaders

248bu

Fertilizer Study

240bu

W/Out Dry
Fertilizer

244bu

W/Out Dry
Fertilizer

2007 Soybean;  Pioneer vs Dekalb Hybrid Study
DKC61-66
First
248.46
RX785RR2
Second
247.89
DKC63-39
Third
239.34
33P94
Fourth
236.38
32B83
Fifth
230.99
DKC60-14
Sixth
229.1
33D14
Seventh
227.43
RX715RR2
Eighth
224.39
DKC64-32
Ninth
224.27
33A88
Tenth
219.42
33H27
Eleventh
217.56
34A20
Twelfth
201.89
 
 
 
DEKALB / ASGROW
1413.5
235.57
PIONEER
1333.7
222.27
93M42
First
248.46
93M11
Second
247.89
AG3602
Third
239.34
AG3101
Fourth
236.38
AG3006
Fifth
230.99
AG2802
Sixth
229.1
93M61
Seventh
227.43
93M10
Eighth
224.39
92M74
Ninth
224.27
 
 
 
DEKALB / ASGROW
274.07
68.51
PIONEER
342.44
68.48

Soybean Row Spacing Study 15" vs 30" vs 45"

6-Pioneer
Varieties
Composite
Average
Yield

68.48bu

68.51bu

6-Dekalb
Varieties
Composite
Average
Yield

53.1bu

45"

60.7bu

30"

15"

63.9bu

Soybean Population Study  Dekalb DKC 60-14

50K

62.2

63.2

75K

100K

60.4

125K

63.9bu

60.4

61.2

150K

175K

59.9

59.3

200K

60.1

225K
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