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| Keiser | Weiner | Marianna | Rohwer | ||
| Brand | Irrigated | Irrigated | Irrigated | Irrigated | Average |
| bu/A | |||||
| Maturity Group III (RM 3.5 to 3.9) | |||||
| Armor 39-E9 | 46.1 | 48.4 | 65.2 | 45.1 | 51.2 |
| Asgrow AG3802 | 44.2 | 52.4 | 63.6 | 45 | 51.3 |
| Asgrow AG3905 | 48.3* | 59.5* | 67.8* | 42.1 | 54.4 |
| Dekalb DKB 36-52 | 45.5 | 52.1 | 66.5 | 47.3 | 52.9 |
| Delta King 3964 | 46 | 54.1 | 63.9 | 43.8 | 52 |
| Delta King 3968 | 39.6 | 50.5 | 66.5 | 39.2 | 49 |
| Deltapine DP3861RR | 47.7* | 55.4 | 65.2 | 32.4 | 50.2 |
| Dyna Gro 3373NRR | 51.3* | 61.0* | 61.8 | 39.6 | 53.4 |
| Dyna Gro 3392NRR | 47.3 | 49.7 | 62.7 | 48.0* | 51.9 |
| Pioneer 93M90 | 43.7 | 46.3 | 67.9* | 48.0* | 51.5 |
| Progeny 3900 | 54.7** | 55.2 | 72.1** | 57.9** | 60 |
| Terral TV39RS31 | 50.9* | 67.3** | 69.8* | 51.6* | 59.9 |
| Maturity Group IV Early (RM 4.0 to 4.6) | |||||
| Armor 44-R4 | 70.0* | -- | 75.7** | -- | 72.9 |
| Asgrow AG4201 | 57.6 | -- | 73.7* | -- | 65.7 |
| Asgrow AG4403 | 67.5* | -- | 72.4* | -- | 70 |
| Dekalb DKB 44-51 | 71.4* | -- | 74.8* | -- | 73.1 |
| Dekalb DKB 46-51 | 65.9* | -- | 70.0* | -- | 68 |
| Delta King 4461 | 68.7* | -- | 74.7* | -- | 71.7 |
| Deltapine DP4331RR | 62.9 | -- | 74.8* | -- | 68.9 |
| Deltapine DP4546RR | 65.6* | -- | 67.6 | -- | 66.6 |
| HBK R4623 | 60.3 | -- | 62 | -- | 61.2 |
| Morsoy RT4480N | 73.0** | -- | 70.6* | -- | 71.8 |
| Progeny 4401 | 70.8* | -- | 73.6* | -- | 72.2 |
| Terral TV45R14 | 65.6* | -- | 64.4 | -- | 65 |
| Maturity Group IV Late (RM 4.7 to 4.9) | |||||
| Armor 47-G7 | 60.2 | 65.2 | 72.9 | -- | 66.1 |
| Armor GP470 | 57.8 | 51.3 | 61.2 | -- | 56.8 |
| Armor GP474 | 67.9 | 74.4* | 62.1 | -- | 68.1 |
| Asgrow AG4801 | 67.1 | 57.6 | 74.0* | -- | 66.2 |
| Asgrow AG4903 | 72.8* | 75.3* | 69.1 | -- | 72.4 |
| Early Planted Roundup Ready Soybean Yields in Arkansas, 2005 | |||||
| Keiser | Weiner | Marianna | Rohwer | ||
| Brand | Irrigated | Irrigated | Irrigated | Irrigated | Average |
| bu/A | |||||
| Croplan RC4842 | 70 | 68.6* | 65.9 | -- | 68.2 |
| Croplan RC4992 | 76.3* | 75.0* | 57.3 | -- | 69.5 |
| Delta Grow 4840RR | 66.4 | 71.7* | 63.5 | -- | 67.2 |
| Delta Grow 4860RR | 68.1 | 65.4 | 65.5 | -- | 66.3 |
| Delta Grow 4960RR | 74.8* | 68.4* | 65.9 | -- | 69.7 |
| Delta Grow 4970RR | 74.3* | 64.5 | 72.6 | -- | 70.5 |
| Delta King 4763 | 63 | 56.8 | 71.8 | -- | 63.9 |
| Delta King 4967 | 69 | 70.4* | 63.1 | -- | 67.5 |
| Deltapine DP4724RR | 69.3 | 66.4* | 67.3 | -- | 67.7 |
| Deltapine DP4933RR | 72.2 | 71.6* | 59.3 | -- | 67.7 |
| HBK R4724 | 62.8 | 52.9 | 78.3** | -- | 64.7 |
| HBK R4924 | 62.6 | 73.0* | 64 | -- | 66.5 |
| Morsoy RT4802N | 71.4 | 68.0* | 65.2 | -- | 68.2 |
| Morsoy RT4993N | 63.7 | 76.3** | 61.4 | -- | 67.1 |
| Pioneer 94B73 | 65.7 | 58.6 | 74.1* | -- | 66.1 |
| Progeny 4804 | 66.6 | 74.0* | 61.9 | -- | 67.5 |
| Progeny 4949 | 78.8** | 67.9* | 71.3 | -- | 72.7 |
| Southern States RT4902N | 72.2 | 75.6* | 57.7 | -- | 68.5 |
| Southern States RT5130N | 72.6 | 65 | 61.7 | -- | 66.4 |
| Terral TV48R14 | 72 | 64 | 74.3* | -- | 70.1 |
| Maturity Group V (RM 5.0 to 5.3) | |||||
| Croplan RC5003 | 68.6* | 64.0* | 58.0** | 57.7* | 62.1 |
| Croplan RC5222 | 70.4* | 64.3* | 57.8* | 60.0* | 63.1 |
| Croplan RC5332 | 61.6 | 60.6* | 52.6 | 43.8 | 54.7 |
| Delta Grow 5260RR | 70.3* | 64.0* | 53.9* | 63.8** | 63 |
| Delta King 5161 | 72.1** | 66.4** | 56.0* | 50.1 | 61.2 |
| Delta King 5366 | 65.5 | 61.0* | 54.2* | 60.1* | 60.2 |
| Progeny 5250 | 69.9* | 61.6* | 56.8* | 56.1* | 61.1 |
| Southern States RT5302N | 60.8 | 59.4 | 50.8 | 47.5 | 54.6 |
