# Corn yield trial — Iowa South District (Early Season), 2025 - **Source:** Iowa Crop Performance Tests (independent third-party trial) - **Publisher:** Iowa State University / Iowa Crop Improvement Association - **Crop:** Corn - **State:** IA - **District:** South - **Maturity season:** Early Season - **Year:** 2025 - **Experiment mean yield:** 222.1 bu/a - **Cooperator sites:** Atlantic, Corning, Chariton, Batavia, Crawfordsville - **URL:** https://www.croptesting.iastate.edu/corn/CornDistrict2.aspx --- ## Results (by yield, all brands) | Rank | Company | Entry | Traits | RM | Yield | Yldp | Moist | Wyld | Eyld | Atlantic | Corning | Chariton | Batavia | Crawfordsville | |---|---|---|---|---|---|---|---|---|---|---|---|---|---|---| | 1 | Dekalb | DKC111-62 TRERIB | RR2 TRE-RIB | 111 | 248.1 | 112.9 | 17.8 | 245.8 | 243.4 | 278.4 | 228.9 | 230.2 | 249.5 | 250.6 | | 2 | Dekalb | DKC112-35 SSPRIB | LL,RR2 SSX-RIB | 112 | 244.4 | 111.2 | 20.1 | 246.3 | 239.9 | 264 | 247 | 227.8 | 225.6 | 266.2 | | 3 | NuTech/G2 Genetics | 69C7PCE | LL,RR2,EN PCE | 109 | 236.6 | 107.6 | 17.6 | 235.3 | 235.2 | 250.9 | 223.7 | 231.5 | 215.1 | 259.1 | | 4 | Prairie Hybrid Seeds | 6436 | - | 111 | 229.8 | 104.6 | 17 | 232.2 | 228.6 | 251.4 | 206.7 | 238.4 | 201.9 | 245.5 | | 5 | Renk | RK825VT4PRO | RR2 VT4P | 112 | 225.6 | 102.6 | 17.2 | 217.7 | 235.2 | 217.9 | 201 | 234.2 | 224.8 | 246.6 | | 6 | Viking/Blue River | 76-11 | - | 111 | 223.6 | 101.7 | 16.5 | 226.3 | 220 | 250.4 | 198.5 | 229.9 | 187.1 | 242.9 | | 7 | Prairie Hybrid Seeds | 6854 | - | 110 | 221 | 100.5 | 16.5 | 223.9 | 220.5 | 244.9 | 197 | 229.7 | 194 | 237.9 | | 8 | NuTech/G2 Genetics | 69F3V | LL,RR2,EN VE | 109 | 219.9 | 100.1 | 16.7 | 219.7 | 218.7 | 243.8 | 198.3 | 216.9 | 181.2 | 258.1 | | 9 | NuTech/G2 Genetics | 69G1PCE | LL,RR2,EN PCE | 109 | 219.3 | 99.8 | 16.5 | 212.4 | 227.2 | 217.6 | 197.7 | 221.8 | 203.5 | 256.2 | | 10 | NuTech/G2 Genetics | 69B5V | LL,RR2,EN VE | 109 | 219.2 | 99.7 | 17.1 | 228.3 | 214.1 | 237.8 | 212.1 | 234.9 | 153 | 254.5 | | 11 | Pioneer | P1093Q | LL,RR2 Qrome-RIB | 110 | 215.6 | 98.1 | 17 | 218.9 | 212.5 | 232.1 | 206 | 218.6 | 181.9 | 236.9 | | 12 | Pioneer | P1185Q | LL,RR2 Qrome | 111 | 215.4 | 98 | 17.6 | 221.2 | 209.5 | 240.3 | 201.4 | 221.9 | 161.1 | 245.6 | | 13 | NuTech/G2 Genetics | 71B6PCE | LL,RR2,EN PCE | 111 | 209 | 95.1 | 15.8 | 213.4 | 209.1 | 222.7 | 193.8 | 223.9 | 154.3 | 249.1 | | 14 | Epley Brothers Hybrids | E2230 | - | 112 | 207.2 | 94.3 | 16.5 | 213.5 | 205 | 231.9 | 190.1 | 218.4 | 148.1 | 248.6 | | 15 | NK Seeds | NK1228-AA | GT,LL AA | 112 | 198.2 | 90.2 | 17.3 | 205.9 | 196.8 | 210.9 | 184.1 | 222.9 | 140 | 227.7 | Top 5 by Yield: DKC111-62 TRERIB (Dekalb) 248.1, DKC112-35 SSPRIB (Dekalb) 244.4, 69C7PCE (NuTech/G2 Genetics) 236.6, 6436 (Prairie Hybrid Seeds) 229.8, RK825VT4PRO (Renk) 225.6.