Cotton has traditionally been grown in 40-inch row configurations. Testing proved the extremely narrow row widths (7-15 inches) economically feasible. However, the extremely narrow row widths were overwhelmingly unpopular with cotton producers. This study analyzes production in 30-inch rows in replicated field size test plots with adjacent control plots. The economic analysis examines yields and indicated differences in cost and cultural practices and establishes a basis for acceptance of this technology among Rio Grande Valley and other cotton producers Beltwide.