Table 3: Grain sorghum net dollar value per hectare minus seed costs as influenced by hybrid, row spacing, and seeding rate.

HybridRow spacing (cm) Plant population (1000’s/ha)Net value over seed costs ($/ha)
2001 2002 2003

Dekalb DK54 51 148–1601319.43652.35602.58
185–1981406.49739.86610.72
222–2351200.41618.65646.73
102 148–1601126.92642.00742.35
185–1981258.80670.7450.27
222–2351250.46634.67556.73

Asgrow A571 51 148–1601143.57611.31641.28
185–1981305.84761.10441.69
222–2351246.04759.59506.78
102 148–1601024.05380.19604.38
185–198 998.52575.94569.40
222–2351015.46554.75501.02

LSD (0.05) 220.22260.91151.27

Seed costs and grain sorghum prices were calculated based on April, 2012 prices (L. Falconer, personal communication). Seed costs were calculated at $6.60/kg (imidacloprid treated) while grain sorghum price was based on $9.00/45.4 kg.