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Modeling soil and plant phosphorus dynamics in calcareous and highly weathered soils

By: Sharpley, A.N.
Contributor(s): Kimble, J [coaut.] | Singh, U [coaut.] | Uehara, G [coaut.].
Material type: materialTypeLabelArticlePublisher: 1989ISSN: 0361-5995.Subject(s): America | Chemical soil types | Climatic soil types | Ecology | Ecosystems | Elements | Environment | Fertilizers | Fertilizing | Inorganic compounds | Lithological soil types | Mathematics | Methods | Nonmetals | North America | Organic compounds | Phosphates | Salts | Site factors | Soil types | Soils | Soil fertility AGROVOC | Soil fertility AGROVOCDDC classification: 89-146835 In: Soil Science Society of America Journal v. 53, no. 1, p. 153-15889-146835Summary: Labile and organic phosphorus (P) and sorbed P are required as the minimum data set to run a soil-plant P cycling model recently developed for continental U.S. soils. Labile and organic P and P sorption index were related to physical and chemical properties of 23 calcareous (greater than 50 g kg-1 CaCO3 content) and 32 highly weathered soils (greater than 30% Al saturation), to allow estimation of these P forms from readily available soil data. The P sorption or fertilizer AV index was estimated as the fraction of fertilizer P remaining as labile (resin extractable) P following incubation of soil and fertilizer. Labile P was linearly related (R2Collection: AGRIS Collection
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Item type Current location Collection Call number Copy number Status Date due Barcode Item holds
Article CIMMYT Knowledge Center: John Woolston Library

Lic. Jose Juan Caballero Flores

 

AGRIS Collection 89-146835 (Browse shelf) 1 Available 89-146835
Total holds: 0

Peer-review: Yes - Open Access: Yes|http://science.thomsonreuters.com/cgi-bin/jrnlst/jlresults.cgi?PC=MASTER&ISSN=0361-5995

Labile and organic phosphorus (P) and sorbed P are required as the minimum data set to run a soil-plant P cycling model recently developed for continental U.S. soils. Labile and organic P and P sorption index were related to physical and chemical properties of 23 calcareous (greater than 50 g kg-1 CaCO3 content) and 32 highly weathered soils (greater than 30% Al saturation), to allow estimation of these P forms from readily available soil data. The P sorption or fertilizer AV index was estimated as the fraction of fertilizer P remaining as labile (resin extractable) P following incubation of soil and fertilizer. Labile P was linearly related (R2

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