Research Article
Response of Soybean to Early-Season Planting Dates along the Upper Texas Gulf Coast
Table 6
Plant height response of soybean cultivars to different planting dates.
| | Plant date | 2008 | 2009 | 2010 | | Maturity group | | 4.9 | 5.0 | 5.1 | 5.4 | 4.9 | 5.0 | 5.1 | 5.4 | 5.9 | 4.8 | 4.9 | 5.0 | 5.1 | 5.4 | 5.9 |
| | | cm | | Feb. 20 | 36.3 | 37.3 | 35.1 | 32.5 | 38.1 | 53.3 | 54.1 | 54.1 | 65.3 | — | — | — | — | — | — | | March 15 | 39.9 | 48.3 | 45.0 | 37.3 | 50.8 | 61.7 | 75.4 | 71.1 | 75.4 | 39.8 | 41.9 | 80.5 | 35.6 | 65.3 | 85.6 | | April 5 | 45.4 | 49.5 | 46.2 | 39.4 | 69.3 | 75.4 | 66.0 | 70.4 | 88.1 | 45.2 | 62.3 | 76.7 | 60.9 | 67.8 | 85.6 | | April 25 | 44.6 | 51.1 | 47.5 | 39.4 | 55.9 | 72.3 | 65.6 | 70.1 | 84.3 | — | — | — | — | — | — | | LSD (0.05) | 5.1 | 4.1 | 9.7 |
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