Full TGIF Record # 247912
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DOI:10.2136/sssaj2013.05.0200
Web URL(s):https://acsess.onlinelibrary.wiley.com/doi/full/10.2136/sssaj2013.05.0200
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Publication Type:
i
Refereed
Author(s):Messiga, Aimé Jean; Ziadi, Noura; Bélanger, Gilles; Morel, Christian
Author Affiliation:Messiga: Environ. and Resource Studies Program, Trent Univ., Peterborough, ON; Ziadi and Bélanger: Soils and Crops Res. and Develop. Centre, Agriculture and Agri-Food Canada, Quebec, QC, Canada; Morel: INRA, UMR 1220, TCEM (INRA-ENITAB), Villenave d'Ornon, France
Title:Relationship between soil phosphorus and phosphorus budget in grass sward with varying nitrogen applications
Section:Nutrient management & soil & plant analysis
Other records with the "Nutrient management & soil & plant analysis" Section
Source:Soil Science Society of America Journal. Vol. 78, No. 4, July/August 2014, p. 1481-1488.
Publishing Information:Madison, Wisconsin: Soil Science Society of America
# of Pages:8
Keywords:TIC Keywords: Application rates; Mehlich-3 test; Nitrogen fertilization; Nutrient availability; Nutrient management; Phosphorus; Relationships
Abstract/Contents:"Changes in soil available P usually relate to P budgets, but the sensitivity of the relationship to N fertilization is poorly understood. Four P rates (0, 15, 30, and 45 kg ha-1) as main plots and four N rates (0, 60, 120, and 180 kg ha-1) as subplots were applied each year from 1999 to 2006 to a timothy (Phleum pratense L.) sward established in 1998 on a gravelly sandy loam soil (Typic Fragihumods). Soil available P was assessed using water (Cp) and Mehlich-3 (PM3) extractions. Annual P budgets were calculated as the difference between applied P and P offtake and were then summed over the duration of the experiment to determine the cumulative P budget (Bcum). Over the 8-yr study, Bcum (-148 to 286 kg P ha-1), Cp (0.13 to 0.94 mg L-1), and PM3 (22.3 to 111.7 mg kg-1) were affected by both P and N fertilization. The Cp and PM3 were linearly related to Bcum and the relationship was similar among N rates [Cp = 0.0016Bcum + 0.3 (r2 = 0.86, P < 0.001) and PM3 = 0.20Bcum + 47.7 (r2 = 0.90, P < 0.001)]. A positive or negative Bcum of 100 kg P ha-1 would then raise or deplete Cp by 0.16 mg L-1 and PM3 by 20 mg kg-1. The relationship between Bcum and soil available P was not affected by N applications in this gravelly sandy loam soil."
Language:English
References:44
Note:Equations
Tables
Graphs
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Messiga, A. J., N. Ziadi, G. Bélanger, and C. Morel. 2014. Relationship between soil phosphorus and phosphorus budget in grass sward with varying nitrogen applications. Soil Science Society of America Journal. 78(4):p. 1481-1488.
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DOI: 10.2136/sssaj2013.05.0200
Web URL(s):
https://acsess.onlinelibrary.wiley.com/doi/full/10.2136/sssaj2013.05.0200
    Last checked: 02/26/2024
    Access conditions: Item is within a limited-access website
https://acsess.onlinelibrary.wiley.com/doi/epdf/10.2136/sssaj2013.05.0200
    Last checked: 02/26/2024
    Requires: PDF Reader
    Access conditions: Item is within a limited-access website
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