Journal of Horticulture and Agricultural Sciences

Vol. 1 No. 01 (2024): Journal of Horticulture and Agricultural Sciences (JHAS)
Articles

Evaluating integrated use of potassium and mulching on growth and yield of onion

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  • Bahadur Shah,
  • Khalid Hussain Talpur,
  • Zia-ul-hassan Shah,
  • Hassan Sardar,
  • Azatullah,
  • Habibullah Kakar,
  • Ghulam Nabi Talpur,
  • Maqsood Ali Wagan,
  • Safdar Ali Wahocho
Bahadur Shah
Department of Soil Science, Sindh Agriculture University Tandojam
Khalid Hussain Talpur
Department of Soil Science, Sindh Agriculture University Tandojam
Zia-ul-hassan Shah
Department of Soil Science, Sindh Agriculture University Tandojam
Hassan Sardar
Deoartment of Plant Agronomy, University of Faisalabad
Azatullah
Department of Plant Pathology, University of Faisalabad
Habibullah Kakar
Directorate of Agriculture Research Loralai
Ghulam Nabi Talpur
Department of Agronomy, Sindh Agriculture University Tandojam
Maqsood Ali Wagan
Department of Horticulture, Sindh Agriculture University, Tandojam, 70060, Pakistan
Safdar Ali Wahocho
Department of Horticulture, Sindh Agriculture University Tandojam, Pakistan

Published 2024-12-30

How to Cite

Shah, B., Hussain Talpur, K., Shah, Z.- ul- hassan, Sardar, H., Azatullah, Kakar, H., … Ali Wahocho, S. (2024). Evaluating integrated use of potassium and mulching on growth and yield of onion. Journal of Horticulture and Agricultural Sciences , 1(01), 39–52. Retrieved from https://jahps.org/index.php/jahps/article/view/9

Copyright (c) 2025 Bahadur Shah, Khalid Hussain Talpur, Zia-ul-hassan, Hassan Sardar, Azatullah, Habibullah Kakar, Ghulam Nabi Talpur, Maqsood Ali Wagan, Safdar Ali Wahocho

Creative Commons License

This work is licensed under a Creative Commons Attribution 4.0 International License.

Abstract

The optimizing management practices including optimum potassium use and mulching approaches are pre-requisite for profitable onion production. The research study was carried out at the Onion Research Institute Husri, Hyderabad, Agricultural Research Center Tandojam aimed to evaluate the integrated use of potassium and mulching on onion growth and yield. The experiment, which involved the nasarpuri onion variety, followed a three-replicated randomized complete block design (RCBD) with a factorial arrangement. The treatment details were as follows: Factor A represented potassium rates (kg K₂O ha⁻¹) (K₁= Control, K₂= 40, K₃= 50, and K₄= 60), and Factor B represented mulching (M₁= Without mulching and M₂= With mulching). Data were collected for various parameters, including plant height, stem girth, bulb diameter, bulb weight, leaf weight, bulb yield, and potassium content in leaves and bulbs. The findings showed that plant height ranged from 33.17 to 44.80 cm, stem girth from 6.79 to 14.10 cm, bulb diameter from 45.17 to 67.00 cm, bulb weight from 10,796 to 29,126 kg ha⁻¹, leaf weight from 1,610 to 4,353 kg ha⁻¹, and the number of leaves per plant varied from 7.20 to 13.15. Additionally, potassium content in leaves ranged from 1.50% to 1.86%, and potassium content in bulbs varied from 1.14% to 1.35%. Notably, the combination of 60 kg K₂O ha⁻¹ with mulching resulted in the most favorable outcomes across various parameters. These results emphasize the importance of integrated potassium management and mulching techniques in enhancing onion growth, yield, and potassium uptake

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