Nitrogen Release Patterns From Deep Placement Sites of Urea in a Wetland Rice Soil

Release patterns of N from deep placement sites of prilled urea (PU), supergranule urea (SGU), sulfur‐coated urea (SCU), and urea in mudball (MBU) were studied in in situ wetland Maahas clay at the International Rice Research Institute. Nitrogen release from PU and SGU was rapid during first day aft...

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Main Authors: Savant, N.K., De Datta, S.K.
Format: Journal Article
Language:Inglés
Published: Wiley 1979
Subjects:
Online Access:https://hdl.handle.net/10568/167964
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author Savant, N.K.
De Datta, S.K.
author_browse De Datta, S.K.
Savant, N.K.
author_facet Savant, N.K.
De Datta, S.K.
author_sort Savant, N.K.
collection Repository of Agricultural Research Outputs (CGSpace)
description Release patterns of N from deep placement sites of prilled urea (PU), supergranule urea (SGU), sulfur‐coated urea (SCU), and urea in mudball (MBU) were studied in in situ wetland Maahas clay at the International Rice Research Institute. Nitrogen release from PU and SGU was rapid during first day after placement and decreased thereafter. Nitrogen release from urea in a mudball was slower than that from PU or SGU. Deep placed SCU released N at a markedly slower rate than MBU throughout 45 days after placement. Nitrogen release from deep placement sites of the different forms of urea appeared to be a diffusion‐controlled process.
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spelling CGSpace1679642025-05-14T10:40:01Z Nitrogen Release Patterns From Deep Placement Sites of Urea in a Wetland Rice Soil Savant, N.K. De Datta, S.K. nitrogen release patterns deep placement sites urea wetland rice soil Release patterns of N from deep placement sites of prilled urea (PU), supergranule urea (SGU), sulfur‐coated urea (SCU), and urea in mudball (MBU) were studied in in situ wetland Maahas clay at the International Rice Research Institute. Nitrogen release from PU and SGU was rapid during first day after placement and decreased thereafter. Nitrogen release from urea in a mudball was slower than that from PU or SGU. Deep placed SCU released N at a markedly slower rate than MBU throughout 45 days after placement. Nitrogen release from deep placement sites of the different forms of urea appeared to be a diffusion‐controlled process. 1979-01 2024-12-19T12:57:52Z 2024-12-19T12:57:52Z Journal Article https://hdl.handle.net/10568/167964 en Wiley Savant, N. K.; De Datta, S. K. 1979. Nitrogen Release Patterns From Deep Placement Sites of Urea in a Wetland Rice Soil. Soil Science Soc of Amer J, Volume 43 no. 1 p. 131-134
spellingShingle nitrogen release patterns
deep placement sites
urea
wetland rice soil
Savant, N.K.
De Datta, S.K.
Nitrogen Release Patterns From Deep Placement Sites of Urea in a Wetland Rice Soil
title Nitrogen Release Patterns From Deep Placement Sites of Urea in a Wetland Rice Soil
title_full Nitrogen Release Patterns From Deep Placement Sites of Urea in a Wetland Rice Soil
title_fullStr Nitrogen Release Patterns From Deep Placement Sites of Urea in a Wetland Rice Soil
title_full_unstemmed Nitrogen Release Patterns From Deep Placement Sites of Urea in a Wetland Rice Soil
title_short Nitrogen Release Patterns From Deep Placement Sites of Urea in a Wetland Rice Soil
title_sort nitrogen release patterns from deep placement sites of urea in a wetland rice soil
topic nitrogen release patterns
deep placement sites
urea
wetland rice soil
url https://hdl.handle.net/10568/167964
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