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  • 1 Hammond Research Station, Louisiana Agricultural Experiment Station, Louisiana State University Agricultural Center, Hammond, LA 70403

A study to evaluate the seeding rate necessary for precision seeding cabbage to a stand was initiated during the spring of 1989. A Stanhay precision seeder was used to plant cabbage seed at 10-cm (thinned to 30-cm), 20-cm, 30-cm (1 seed/hill), and 30-cm (2 seed/hill) spacings. Total weight was not significantly affected by seed spacing, but head size decreased with an increase in number of heads. Cabbage spaced 30 cm (1 seed/hill) apart produced the highest yield of marketable heads (1007 gms). Lab measurements were determined by operating the planter over a lubricated board and measuring seed spacing. Lab measurements of spacing indicated actual spacing was closely associated with expected spacing of each treatment. Field measurements of plant spacing were used to associate seed placement between lab and field spacings. Graphical analysis indicated spacing within a treatment was similar in both lab and field treatments. Small differences between data collected in the lab or field were attributed to loss of plants in the field.

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