A field experiment was conducted during kharif 2018-19 at Main Agricultural Research Station farm, Raichur, Karnataka. The experiment laid out in split plot design with three replications. The experiment consisted of two main plot treatments viz., 90 × 60 cm (S1) and 120 × 60 cm (S2). | Effect of agronomic management practices and use of growth regulators on yield and economics of bt cotton (Gossypium hirsutum L.) under irrigated condition