Optimizing the timing and levels of nitrogen application on growth and yield of chilli (Capsicum annuum L.)
Loading...
Date
2023
Authors
Journal Title
Journal ISSN
Volume Title
Publisher
Punjab Agricultural University
Abstract
Nitrogen (N) plays a significant role in plant metabolic and physiological exertions. As a key factor in ensuring sustainable soil fertility and fruit productivity, N management is crucial for maintaining or increasing fruit productivity. Therefore, the present investigation, “Optimizing the timing and levels of nitrogen application on growth and yield of chilli (Capsicum annuum L.)” was conducted during 2022-23 at Research Farm, Department of Soil Science, PAU, Ludhiana. The soil of the experimental field was sandy loam in texture, low in available nitrogen, medium in available phosphorus and potassium. The experiment was laid out in a split-plot design that comprised two main plots, i.e. without and with farmyard manure (FYM) @ 25 t ha-1and thirteen subplots consisting of four different N levels: 0, 75, 113 and 150 kg N ha-1 applied in 2, 3, 4 and 5 split doses. The results revealed that integrated nutrient management (INM) plots, i.e. combined integration of N-fertilizer with FYM resulted in significantly higher growth and yield attributes of chilli with respect to N plots without FYM. Higher fruit yield was attained by the application of 113 kg N ha-1 in 4 split doses integrated with FYM and recorded 45.8 % significantly higher fruit yield than the recommended dose of fertilizer treatment, i.e. 75 kg N ha-1 applied in 2 split doses integrated with FYM due to a greater number of fruits plant-1. Within each N level, 4 split doses of N-fertilizer performed better than 3, 2 and 5 split doses in both without and with FYM plots. Only two split doses were not ensured the optimum supply of N at later growth stages. Therefore, 113 kg N ha-1 in 4 equal split doses integrated with FYM can be recommended to farmers for achieving maximum yield in chilli under Punjab conditions.
Description
Keywords
Citation
Dimple (2023). Optimizing the timing and levels of nitrogen application on growth and yield of chilli (Capsicum annuum L.) (Unpublished M.Sc. thesis). Punjab Agricultural University, Ludhiana, Punjab, India.