Author(s):

Shobha Kumari and Sonam Mahawar

Abstract: Among the response of different source of nitrogen, treatment T10(25% RDN through VC + 75 % N through Urea + Azotobactor) recorded maximum plant height (277.17cm), plant dry weight (105.30g), tillers plant-1(3.40), crop growth rate (2.74 g m-2 day-1), relative growth rate (0.04 g g-1 day-1), ear plant-1 (3.57), length of ear (31.85), no. of grains ear-1 (3433.33), test weight (8.39 g), grain yield (4.97 t ha-1), straw yield(12.99 t ha-1), protein content (13.03%) and harvest index (27.67%).Whereas the lowest value in terms of plant height (246.33cm), dry weight (98.83g),number of grains (2803.33 ear-1) grain yield (2.51 t ha-1) and stover yield (9.30 t ha-1) was observed in the treatment T3i.e.,(100% RDN through VC). Further, number of tillers (2.03 plant-1),crop growth rate (2.29 g m-2 day-1), relative growth rate (0.03 g g-1 day-1), number of ear (2.33 plant-1), length of ear(26.07 cm), test weight (7. 15g), protein content (9.15%), harvest index (21.06%) was recorded in the treatment T1(100 % RDN through Urea). The highest gross return (₹ 85620.00 ha-1), net return (₹ 59522.00 ha-1) and benefit cost ratio (2.28) were registered in treatment T10 (25% RDN through VC + 75 % N through Urea + Azotobactor), However, the lowest of value (₹ 49900.00 ha-1), (₹ 5884.00 ha-1) and (0.13) respectively in the treatment T3 (100 % RDN through VC).

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