Research Article

Response of Soybean to Early-Season Planting Dates along the Upper Texas Gulf Coast

Table 7

Yield response of soybean cultivars to different planting dates.

Plant date 2005 2006 2007 2008
Maturity group
4.65.1 5.15.4 4.8 5.1 5.9 4.9 5.0 5.1 5.4

Kg/ha
Feb. 2016281197 464706160019712374 861 962 665 894
Mar. 15 9551789 894901101525012064 464 424 256 296
Apr. 511371137 00 0 0 0 0 0 0 0
Apr. 25 565 0 00 0 0 0 0 0 0 0
LSD (0.05) 289 154 665 87

Plant date 2009 2010
Maturity group
4.95.05.15.45.94.84.95.05.15.45.9

Kg/ha
Feb. 2016212186178219301843
Mar. 15140615471204143913112492 18973524214526433605
Apr. 5 773 232 410 336 491231428853840260331484008
Apr. 25 27 0 0 0 0
LSD (0.05) 81 504