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An investigation was conducted during kharif, 2017-2018 on clay loam soils of Regional Agricultural Research Station, Maruteru to study the effect of nitrogen on economics of medium duration rice varieties. The experiment was laid out in split-plot design with three nitrogen levels assigned to main plots and four medium duration rice varieties assigned to sub plots, each replicated thrice. Distinct disparities were noticed with regard to growth parameters, yield parameters and yield due to different nitrogen doses and medium duration varieties. The findings of the experiment revealed that growth stature and yield was significantly recorded superior with application of 150% RDN over 50 and 100% RDN. Among the medium duration varieties MTU 1153 recorded highest grain yield, straw yield and it was followed by another variety MTU 7029. Among all the treatments, application of 150% RDN recorded maximum net returns and B:C ratio with the variety MTU 1153. | Influence of nitrogen on economics of medium duration rice varieties
