The study looked at how to grow early indica rice using machines. They found that using certain rice varieties, planting at specific times, and spacing the plants a certain way can help increase yields. For best results, choose varieties like Zhongjiazao 17 or Zhongzao 39, plant seeds between March 25th and April 1st, and space them about 30 cm apart. Also, apply nitrogen fertilizer in a specific ratio at different growth stages.