Nitrogen influence plant growth and yield of crops. To evaluate the potential different pre released rice genotypes at levels under Northern Telangana Zone. Experiment was laid out insplit plot design with five main plots (pre cultures) four sub (nitrogen levels) RARS, Jagtial, Kharif 2018-19 to Rabi 2019-20.
 Four cultures TelaganaZone viz., C1-KNM-733, C2- KNM-1638, C3- JGL 24423 C4: JGL...