Table 1.6-3. Yield response of full-season soybean (in 30- and 7-inch row spacings) to deficient stands.
| Remaining plants per foot of row | |||
|---|---|---|---|
| 30-inch rows: | 8 | 6 | 4 |
| 7-inch rows: | 2 | 1.5 | 1 |
| (Plants/acre (x1000) | 140 | 105 | 70 |
| % of stand lost to gaps | % of full yield potential | ||
|---|---|---|---|
| Source: University of Illinois | |||
| 0 | 100 | 97 | 95 |
| 10 | 98 | 96 | 93 |
| 20 | 96 | 93 | 91 |
| 30 | 93 | 90 | 88 |
| 40 | 89 | 86 | 83 |
| 50 | 84 | 81 | 78 |
| 60 | 78 | 75 | 73 |