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Part 1: Document Description
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Citation |
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Title: |
Development and Validation of a Phosphate Rock Decision Support System |
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Identification Number: |
hdl:20.500.13038/FK2/DQKJIB |
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Distributor: |
Dataverse |
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Date of Distribution: |
2022-03-03 |
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Version: |
1 |
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Bibliographic Citation: |
Smalberger, Suzette A.; Singh, Upendra; Chien, Sen H.; Henao, Julio; Wilkens, Paul W., 2022, "Development and Validation of a Phosphate Rock Decision Support System", https://hdl.handle.net/20.500.13038/FK2/DQKJIB, Dataverse, V1 |
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Citation |
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Title: |
Development and Validation of a Phosphate Rock Decision Support System |
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Identification Number: |
hdl:20.500.13038/FK2/DQKJIB |
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Authoring Entity: |
Smalberger, Suzette A. (ifdc.org) |
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Singh, Upendra (ifdc.org) |
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Chien, Sen H. (ifdc.org) |
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Henao, Julio (ifdc.org) |
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Wilkens, Paul W. (ifdc.org) |
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Distributor: |
Dataverse |
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Access Authority: |
Singh, Upendra |
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Depositor: |
Pavan, Willingthon |
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Date of Deposit: |
2022-03-03 |
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Holdings Information: |
https://hdl.handle.net/20.500.13038/FK2/DQKJIB |
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Study Scope |
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Keywords: |
Agricultural Sciences |
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Abstract: |
Although some mathematical models exist to assist in deciding whether or not to apply phosphate rock (PR) to soils as a source of P, these models focused either on the use of highly soluble PR sources, mainly for pastures, or were too impractical for field use. There was, therefore, a need to develop a Phosphate Rock Decision Support Sys- tem (PRDSS) with more comprehensive capabilities to predict the relative agronomic effectiveness (RAE) of PR with respect to water- soluble phosphorus (WSP) fertilizers at field and farm level. The PRDSS includes PR sources varying widely in solubility and different crop species grown on variable soil properties and rainfall conditions. In this paper, we describe the development and use of the mathemati- cal model, PRDSS, to estimate RAE of PR sources with respect to WSP fertilizers and to calculate a simple index to be used for prelimi- nary economic comparison of these two types of P sources. The PRDSS is able to function with a minimum input of only soil pH, the name of the mine that is the source of the phosphate rock, and the species of crop to be grown. A more accurate prediction of RAE is obtained from the PRDSS when more detailed data describing the soil, crop, and weather are included as inputs. |
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Methodology and Processing |
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Data Access |
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Notes: |
CC0 Waiver |
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Other Study Description Materials |
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Related Publications |
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Citation |
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Identification Number: |
10.2134/agronj2005.0244 |
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Bibliographic Citation: |
Development and Validation of a Phosphate Rock Decision Support System. Suzette A. Smalberger, Upendra Singh,* Sen H. Chien, Julio Henao, and Paul W. 2006. Agronomy JournalVolume 98, Issue 3, p. 471-483. |
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Label: |
Development_and_Validation_of_a_Phosphate_Rock_Dec.pdf |
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Notes: |
application/pdf |