Response of Onion Growth and Yield to Potassium Application in Alkaline Soils

Mohammad Khalid Rashidi; Hamid Salari; Abdul Raziq Shinwari; Ahmad Jawid Zamany; Mohammad Zahid Rashidi

doi:10.62810/jnsr.v3i2.200

Authors

Mohammad Khalid Rashidi Kabul University, Horticulture Department, Agriculture Faculty, Kabul, AF
Hamid Salari Kabul University, Horticulture Department, Agriculture Faculty, Kabul, AF
Abdul Raziq Shinwari Kabul University, Department of Horticulture, Agriculture Faculty, Kabul, AF
Ahmad Jawid Zamany Kabul University, Department of Horticulture, Agriculture Faculty, Kabul, AF
Mohammad Zahid Rashidi Wardak Institute of Higher Education, Horticulture Department, Agriculture Faculty, Wardak, AF

DOI:

https://doi.org/10.62810/jnsr.v3i2.200

Keywords:

Onion, Growth, Safid e Paisaye, Yield

Abstract

Onion (Allium cepa L.) is one of the most important commercial vegetables, which, after tomatoes, ranks second in the world, especially in Afghanistan. It is a great source of vitamins, protein, and amino acids, which are useful for human food and traditional medicine. This experiment was conducted in 2022 at the research farm of the agriculture faculty of Kabul University to find out the response of onion to potassium application in alkaline soil. The different levels of potassium (0, 11.25, 22.5, 33.75, 45, 56.25, 67.5, 78.75, and 90 kg per hectare) were used as treatments. The growth, quality, and yield attributes of onions were studied in this investigation. The research was designed in Randomized Complete Block Design (RCBD), and the data was analyzed with Statistical Tools for Agricultural Research (STAR 2.0.1) software. The results show that the application of 22.5 kg per hectare potassium boosts both growth and yield attributes of onion. Farmers are suggested to apply this quantity of potassium through the sulfate of potash to produce a higher yield of onion.

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