A study in Andhra Pradesh tested different ways to grow rice with less water. They tried planting seeds directly, using machines to transplant, and other methods. The best way to grow rice was using a machine to transplant the seedlings, which gave the highest yield. Planting seeds directly was the most profitable method. It also used less water compared to manual planting. Another method called drum seeding was good for growing rice in the winter season. Overall, using machines to transplant rice seedlings was the most effective way to save water and get high yields in the study.