| DC system | Planting date† | Feasible DC years‡ | DAC§ | DNC | DNW | DNDC | ||
| Cowpea | Wheat | No. | % | |||||
| CowpeaJun01-WheatSep15 | 151 | 258 | 0 | 0 | 107 | 125 | 289 | 414 |
| CowpeaJun01-WheatSep30 | 151 | 273 | 14 | 18 | 122 | 125 | 274 | 399 |
| CowpeaJun01-WheatOct15 | 151 | 288 | 34 | 43 | 137 | 125 | 260 | 385 |
| CowpeaJun01-WheatOct30 | 151 | 303 | 38 | 48 | 152 | 125 | 242 | 367 |
| CowpeaJun01-WheatNov15 | 151 | 318 | 38 | 48 | 167 | 125 | 222 | 347 |
| CowpeaJun01-WheatNov30 | 151 | 333 | 37 | 46 | 182 | 125 | 202 | 327 |
| CowpeaJun15-WheatSep15 | 166 | 258 | 0 | 0 | 92 | 119 | 289 | 408 |
| CowpeaJun15-WheatSep30 | 166 | 273 | 0 | 0 | 107 | 119 | 274 | 393 |
| CowpeaJun15-WheatOct15 | 166 | 288 | 20 | 25 | 122 | 119 | 260 | 379 |
| CowpeaJun15-WheatOct30 | 166 | 303 | 35 | 44 | 137 | 119 | 242 | 361 |
| CowpeaJun15-WheatNov15 | 166 | 318 | 39 | 49 | 152 | 119 | 222 | 341 |
| CowpeaJun15-WheatNov30 | 166 | 333 | 37 | 46 | 167 | 119 | 202 | 321 |
| CowpeaJul01-WheatSep15 | 181 | 258 | 0 | 0 | 77 | 115 | 289 | 404 |
| CowpeaJul01-WheatSep30 | 181 | 273 | 0 | 0 | 92 | 115 | 274 | 389 |
| CowpeaJul01-WheatOct15 | 181 | 288 | 4 | 5 | 107 | 115 | 260 | 375 |
| CowpeaJul01-WheatOct30 | 181 | 303 | 21 | 26 | 122 | 115 | 242 | 357 |
| CowpeaJul01-WheatNov15 | 181 | 318 | 38 | 48 | 137 | 115 | 222 | 337 |
| CowpeaJul01-WheatNov30 | 181 | 333 | 37 | 46 | 152 | 115 | 202 | 317 |
| CowpeaJul15-WheatSep15 | 196 | 258 | 0 | 0 | 62 | 110 | 289 | 399 |
| CowpeaJul15-WheatSep30 | 196 | 273 | 0 | 0 | 77 | 110 | 274 | 384 |
| CowpeaJul15-WheatOct15 | 196 | 288 | 2 | 3 | 92 | 110 | 260 | 370 |
| CowpeaJul15-WheatOct30 | 196 | 303 | 14 | 18 | 107 | 110 | 242 | 352 |
| CowpeaJul15-WheatNov15 | 196 | 318 | 40 | 50 | 122 | 110 | 222 | 332 |
| CowpeaJul15-WheatNov30 | 196 | 333 | 52 | 65 | 137 | 110 | 202 | 312 |