Tuesday, November 6, 2007 - 10:30 AM
160-5

Maturity Group III, IV, and V Soybean Responses to Planting Date in Northeast Louisiana.

Ernest Clawson, LSU AgCenter - Southeast Research Station, Po Box 438, Saint Joseph, LA 71366-0438, Josh Price, Northeast Research Station, LSU AgCenter, PO Box 438, Saint Joseph, LA 71366-0438, Sean Hribal, Geography, Louisiana State University, P.O. Box 438, Saint Joseph, LA 71366, and Donald J. Boquet, Northeast Research & Ext. Ctr., 212 Macon Ridge Road, Winnsboro, LA 71295.

A soybean planting date study was continued at Saint Joseph, LA in 2007. In the split split plot design, the whole plots were planting dates, the split plots were row spacings (narrow and wide) and the split split plots were varieties. The varieties included three Maturity Group (MG) IV, two MG III, and one MG V variety. Seven planting dates were established, the earliest of which was March 13. Data on yield, plant height, and timing of maturity will be reported.

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