Lint yields of Acala cotton varieties were increased an average of 10.9% by planting in narrow rows. Increases were even greater in a few genotypes better adapted to the higher plant populations provided by narrow rows. This research demonstrates the potential for higher yields, harvested once over, in 180 to 200 days from planting to harvest.

This research was supported by (1) California Planting Cotton Seed Distributors and (2) U. S. Department of Agriculture, with funds made available through Cotton Incorporated.