Determining Effect of Different Levels of Nitrogen in Combination with Nano Urea on Quality Parameters, Seed Parameters, Available Nitrogen in Soil and Nitrogen Content in Leaves of Marigold (Tagetes erecta L.) Cv. Pusa Narangi Gainda
M Venkatesh, K Kaladhar Babu, D Lakshminarayana, P Prasanth, S Praneeth Kumar
International Journal of Environment and Climate Change · pp. 470–475 · Published 21 Jun 2024
10.9734/ijecc/2024/v14i64244Abstract
An experiment was conducted in the Rabi season of 2021– 2022 at the College of Horticulture, Rajendranagar, Sri Konda Laxman Telangana State Horticultural University. T4 (50% N + Nano Urea @ 2ml/l; 2 sprays at 25 DAT and 50 DAT) was the treatment that recorded the maximum shelf life (3.59 days), 100 seed weight (0.34 g), seed yield per flower (0.82 g), and benefit cost ratio (1.95) among the treatments. T3 recorded the minimum shelf life (2.50 days), while T6 (Nano Urea) recorded the minimum 100 seed weight (0.20 g), seed yield per flower (0.43 g), and benefit cost ratio (1.26). Maximum available nitrogen (286.73 kg ha-1) was found in T1 treatment (100% RDF) and T6 (Nano Urea @ 2 ml/l (3 sprays at 25 DAT, 50 DAT and 75 DAT) recorded minimum available nitrogen (218.36 kg ha-1). However, T7 (Nano Urea @ 4 ml/l (3 sprays at 25 DAT, 50 DAT and 75 DAT) recorded highest germination percentage (86.7%) and maximum nitrogen content in leaves (1.81%), while T2 treatment recorded minimum germination percentage (82.6%) and T1 treatment (100% RDF) recorded minimum nitrogen content in leaves (1.55%).
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