Penn State Corn and Soybean Management

Pennsylvania Soybean Yield Contest 2008

Sponsored by The Pennsylvania Soybean Promotion Board

Rank Grower Bu/A County Brand Cultivar
01 Lapp Farms 87.81 Chester Syngenta NK S36-B6
02 Greene Valley Farms 87.00 Chester Syngenta NK S36-B6
03 Kyle Henninger 86.29 Lehigh Asgrow AG 3705
04 Charles Farms 83.79 Lancaster Pioneer 93M11
05 A. Dale Herr 80.08 Lancaster Pioneer 93M11
06 David Wolfskill 76.84 Berks Asgrow AG 3905
07 Silver Maple Farm 75.68 Chester Syngenta NK S36-B6
08 Alfred Munro 76.65 Lycoming Syngenta NK S36-B6
09 James Hershey 73.47 Lancaster Pioneer 93B36
10 Herman Manbeck 71.16 Berks Pioneer 93M70
11 Glenn Krall 68.07 Lebanon Pioneer 93Y20
12 Troy Alderfer 67.29 Berks Syngenta NK S36-B6
13 Samuel Conley 68.83 Lancaster Hubner H346NRR
14 James Bishop 57.83 Lycoming Pioneer 94M80
15 Scott Munro 55.98 Lycoming Syngenta NK S32G5
16 Robert Dorazio 50.62 Fayette Pioneer 93M11

2008 Production Summary
Yield Comparisons Ave Bu/A
Mean Yield Bu/A 72.59
No-till (69% of entries) 72.50
Min-till (25% of entries) 75.00
Conv-till (6% of entries) 63.83
 
Drill (38% of entries) 74.98
Corn planter (62% of entries) 71.15
 
Planted May 10 or earlier (56% of entries) 74.61
Planted May 11 to 20 (19% of entries) 73.66
Planted May 21 to 30 (19% of entries) 65.16
Planted after May 30 (6% of entries) 73.47
 
Rows 10" or less (38% of entries) 74.98
Rows 11" to 20" (50% of entries) 74.71
Rows 30" (12% of entries) 56.91

Other Items of Interest
Treated Seed: 74% used treated seed (of those treating, 100% used Cruiser).
Rhizobia Inoculation: 75% of entries inoculated.
Calibrate seed Equip: 69%
Average Seeding Rate: 186,028 seed drop per acre.
Soil Test: 88% soil tested.
Fertilizer: 12% used nitrogen and 31% applied foliar fertilizer.
Herbicide lb ai/a: No-till averaged 2.32 and min-till averaged 1.67.
Foliar fungicide: 44% of growers applied a foliar fungicide.
Insecticide: 50% applied.
Yield Limiting: Lack of rain was the main factor.
Average Plants: Average plants at harvest was 179,563 per acre.
Average Harvest Date: October 14
Cover crop: 31% seeded a cover crop following soybean harvest. All used small grain.
Variety information: 94% listed seed dealers as main source.
Culture information: 81% listed seed dealers as the main source.
Herbicide information: 75% listed dealers as the main source.