M. VENKATA RAMANA, M.C.M.D.V.R. and 2017. EFFECT OF N, P AND K FERTIGATION LEVELS ON YIELD AND WATER PRODUCTIVITY OF DIFFERENT RICE (Oryza sativa L.) VARIETIES UNDER AEROBIC CULTIVATION. The Journal of Research, PJTSAU. 44, 1 & 2 (Feb. 2017).