Author(s):

K Anny Mrudhula and B Krishna Veni

Abstract: A field experiment was conducted during kharif, 2013 at Agricultural Research Station, Bapatla to evaluate the efficiency of varying nitrogen doses on growth and yield parameters of newly released rice variety (BPT 2295-Bapatla Mashuri). The experiment was laid out in a randomized block design with 7 treatments replicated thrice. Seven nitrogen doses (i.e. 80, 120, 160, 200, 240, 280 and 320 kg N ha^-1) were used as a experimental treatments. The results indicated that application of 200 kg N ha^-1 recorded significantly the highest grain yield (5963 kg ha^-1) and lowest yield was recorded with 80 kg N ha^-1 treatment. A linear increase in grain yield was observed with continuous rate increase of nitrogen from 80 to 200 kg ha^-1 followed by 160 kg, 240 kg, 280 kg and 320 kg N ha^-1 treatments.

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