The Cauvery Delta zone accounts forabout 22.3% of the rice area and 25.3% of rice production in Tamil Nadu State. Rice is cultivated in three distinct seasons-kuruvai (Jun-Oct), followedby thaladi(Oct-Feb) in double-crop wetlands and samba (Sep-Jan) in single crop wetlands. Transplanting continues to be themajor method of crop establishment forrice in this area. It requires more labor, time, and efforts. The scarcity and high cost of farm labor invariably delay transplanting and often lead to the use of aged seedlings. Uncertain release ofwater from the Mettur dam aggravates the situation for seedling age and time of transplanting.