Author(s):

CH Ramulu and P Raghu Rami Reddy

Abstract: A field experiment was conducted at Rice block in RARS Warangal, during kharif-2015 and 2016 to study the rescheduling of fertilizer doses in Rice for Central Telangana. The results revealed that the significantly higher grain yield and non-significantly higher straw yields (5561 and 6354 kg/ha, respectively) were recorded by the application of nitrogen, phosphorus and potassium 150%-100%-100% (180-60-40 kg/ha) recommended dose over the others. Significantly maximum N, P, K, Zn, Cu, Fe and Mn uptake 141kg/ha, 19.49kg/ha, 113kg/ha, 417g/ha, 55.61g/ha, 1893g/ha and 1412g/ha, respectively were recorded, by the application of nitrogen, phosphorus and potassium 150%-100%-100% (180-60-40 kg/ha) recommended dose, respectively over the others. The highest benefit cost ratio (1.44) and net income (25,438/-) was recorded by the application of nitrogen, phosphorus and potassium 150%-100%-100% (180-60-40 kg/ha) recommended dose over the others. Lowest benefit cost ratio (0.60) was observed with the application of current recommended dose of fertilizers along with vermicompost application @ 2t/ha.

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