Penn State Corn and Soybean Management
Pennsylvania Soybean Yield Contest 2004
Sponsored by The Pennsylvania Soybean Promotion Board
| Rank | Grower | Bu/A | County | Brand | Cultivar | Herbicide Tolerance |
|---|---|---|---|---|---|---|
| 01 | Charles Bomgardner | 84.24 | Lebanon | Garst | 3535 RR/STS | RR |
| 02 | Jayson Haycock | 80.58 | Cumberland | Asgrow | AG4403 | RR |
| 03 | David Wolfskill | 79.20 | Berks | Schillinger | 382RP | RR |
| 04 | Jeffrey Bomgardner | 78.19 | Lebanon | Garst | 3624 RR/N | RR |
| 05 | Bob Shearer | 74.73 | Lancaster | Pioneer | P94B13 | RR |
| 06 | Kyle Henninger | 72.31 | Lehigh | Asgrow | AG3303 | RR |
| 07 | Shoop Farms | 70.98 | North- umberland |
Pioneer | P93B68 | RR |
| 08 | Robert Henninger | 70.90 | Lehigh | Asgrow | AG3702 | RR |
| 09 | James Hoover | 68.40 | Perry | Seedway | SG3655 | RR |
| 10 | Doug Bowersox | 67.04 | Snyder | Pioneer | P93B36 | RR |
| 11 | Elvin Stoltzfus | 66.83 | Union | Pioneer | P93B36 | RR |
| 12 | James Hershey | 65.63 | Lancaster | Pioneer | P93B36 | RR |
| 13 | Jay Bomgardner | 62.01 | Lancaster | Garst | 3812RR | RR |
| 14 | Jack Coleman | 61.07 | Lancaster | Pioneer | P94B13 | RR |
| 15 | Dwight Zook | 60.95 | Berks | Pioneer | P94B13 | RR |
| 16 | Robert Dorazio | 60.78 | Fayette | Asgrow | AG3071 | RR |
| 17 | Charles Chilcoat | 60.63 | York | Mid-Atlantic | MA3922 | RR |
| 18 | John Stump | 59.92 | Berks | Mycogen | 5401RR | RR |
| 19 | Ron Kurtz | 58.23 | Berks | Pioneer | P93M92 | RR |
| 20 | Lloyd Zook | 57.50 | Berks | Pioneer | P93M92 | RR |
| Yield Comparisons | Ave Bu/A |
|---|---|
| Mean Yield Bu/A | 68.01 |
| No-till (50% of entries) | 68.60 |
| Min-till (45% of entries) | 67.61 |
| Conv-till (5% of entries) | 65.63 |
| Drill (70% of entries) | 67.42 |
| Corn planter (30% of entries) | 69.09 |
| Planted May 10 or earlier (40% of entries) | 70.75 |
| Planted May 11 to 20 (45% of entries) | 67.07 |
| Planted May 21 to 30 (10% of entries) | 66.47 |
| Planted June 1 or after (5% of entries) | 57.05 |
| Rows 10" or less (55% of entries) | 66.94 |
| Rows 11" to 20" (35% of entries) | 66.46 |
| Rows 30" (20% of entries) | 72.87 |
| Plant Populations: | Average seed drop/A 197738 (Range=164300 to 225000). Average plants/A 180409 (Range=146362 to 209088). |
|---|---|
| Rhizobia Inoculation: | 93% of entries inoculated. |
| Plant Lodging: | Average of 28% lodged plants (Range=0 to 90%). |
| Weed Control: | Average control 97%. 45% used residual plus glyphosate. No-till growers used an average 1.734 ai lb/A herbicide. Till growers used an average 1.178 ai lb/A herbicide. |
| Fertilizer: | 45% used N, 51% used P and K. |
| Lime: | 30% applied lime within the last 2 years. |
| Soil Test: | 70% reported a soil test within the last 3 years. |