Effects of Zeolitic Urea on Nitrogen Leaching (NH4-N and NO3-N) and Volatilization (NH3) in Spodosols and Alfisols Article Swipe
Ayaz Ahmad
,
Shahzada Sohail Ijaz
,
Zhenli He
·
YOU?
·
· 2021
· Open Access
·
· DOI: https://doi.org/10.3390/w13141921
YOU?
·
· 2021
· Open Access
·
· DOI: https://doi.org/10.3390/w13141921
Global use of urea nitrogen (N) fertilizer is increasing, but N losses are still very high (40–70%). Zeolites have the capability of holding NH4+, thus reducing N losses when applied as a soil amendment. However, application of a large quantity of zeolite is costly and inconvenient. In this study, zeolitic fertilizers were evaluated to select the best formulation with reduced leaching of NH4-N and NO3-N and NH3 volatilization in agricultural soils (Alfisol and Spodosol). The treatments included the following: T0 = control, T1 = urea fertilizer, T2 = zeo-urea (1:1), T3 = zeo-urea (2:1), T4 = zeo-urea (3:1), T5 = zeo-urea (1:2), and T6 = zeo-urea (1:3). Leaching was performed at 4, 8, 12, 19, 25, 32, 39 and 45 days after the soils were treated with the designated fertilizers, including control, and packed into columns. Leachate samples were collected after each leaching event and analyzed for the concentrations of NH4-N and NO3-N and the quantity of leachate. Ammonia volatilization was recorded at days 1, 5, 9, 13 and 20 of soil treatments. Results indicate that zeolitic fertilizer formulations effectively reduced N losses. NH4-N loss was reduced by 13% and 28% by zeo-urea (1:1) in Alfisol and Spodosol soils, respectively, whereas zeo-urea (2:1) and zeo-urea (3:1) effectively decreased NO3-N leaching in Alfisol. Volatilization loss of NH3 was reduced by 47% in Spodosol and 32% in Alfisol soil with zeo-urea (1:1) as compared with that of urea fertilizer. The results suggest that zeo-urea (1:1) is an effective fertilizer formulation for reducing N losses, especially in Alfisol, as compared with conventional urea fertilizer.
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Metadata
- Type
- article
- Language
- en
- Landing Page
- https://doi.org/10.3390/w13141921
- https://www.mdpi.com/2073-4441/13/14/1921/pdf?version=1626160905
- OA Status
- gold
- Cited By
- 13
- References
- 49
- Related Works
- 10
- OpenAlex ID
- https://openalex.org/W3178759031
All OpenAlex metadata
Raw OpenAlex JSON
- OpenAlex ID
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https://openalex.org/W3178759031Canonical identifier for this work in OpenAlex
- DOI
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https://doi.org/10.3390/w13141921Digital Object Identifier
- Title
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Effects of Zeolitic Urea on Nitrogen Leaching (NH4-N and NO3-N) and Volatilization (NH3) in Spodosols and AlfisolsWork title
- Type
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articleOpenAlex work type
- Language
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enPrimary language
- Publication year
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2021Year of publication
- Publication date
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2021-07-12Full publication date if available
- Authors
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Ayaz Ahmad, Shahzada Sohail Ijaz, Zhenli HeList of authors in order
- Landing page
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https://doi.org/10.3390/w13141921Publisher landing page
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https://www.mdpi.com/2073-4441/13/14/1921/pdf?version=1626160905Direct link to full text PDF
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YesWhether a free full text is available
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goldOpen access status per OpenAlex
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https://www.mdpi.com/2073-4441/13/14/1921/pdf?version=1626160905Direct OA link when available
- Concepts
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Urea, Alfisol, Leaching (pedology), Ammonia volatilization from urea, Chemistry, Fertilizer, Volatilisation, Nitrogen, Soil water, Leachate, Environmental chemistry, Soil science, Environmental science, Organic chemistryTop concepts (fields/topics) attached by OpenAlex
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13Total citation count in OpenAlex
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2025: 3, 2024: 4, 2023: 4, 2022: 2Per-year citation counts (last 5 years)
- References (count)
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49Number of works referenced by this work
- Related works (count)
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10Other works algorithmically related by OpenAlex
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