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A proposal to clarify the use of Sum of Bases in the Brazilian Remineralizer Regulation and in Soil Science

Lookup NU author(s): Professor David ManningORCiD

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This work is licensed under a Creative Commons Attribution 4.0 International License (CC BY 4.0).


Abstract

© 2023, Revista Brasileira de Ciencia do Solo. All rights reserved.The term Sum of Bases has different meanings in Soil Science and the Remineralizer Regulations. This issue may cause misunderstandings in communication, particularly between the agricultural community and the mining community, becoming an obstacle to the advancement of the use of this soil amendment. In this scientific note we propose the use of subscript “R” (SBR), standing for Rock, in English, and Rocha, in Brazilian Portuguese, and “S” (SBS) standing for Soil in English and Solo in Brazilian Portuguese. In this way SBR will refer to the Sum of Bases as defined in the Remineralizer Regulation (SBR = %CaO + %MgO + %K2O), and SBS to the Sum of Bases as defined in Soil Science (SBS = Ca (mmolc dm-3) + Mg (mmolc dm-3) + K (mmolc dm-3) + Na (mmolc dm-3)). This approach avoids confusion and facilitates the correct use of laboratory data. We provide a working example, a conversion table and a formula to estimate the potential increase in SBS caused by SBR.


Publication metadata

Author(s): de Azevedo AC, Manning DAC

Publication type: Article

Publication status: Published

Journal: Revista Brasileira de Ciencia do Solo

Year: 2023

Volume: 47

Online publication date: 19/01/2023

Acceptance date: 26/09/2022

Date deposited: 03/05/2023

ISSN (print): 0100-0683

ISSN (electronic): 1806-9657

Publisher: Revista Brasileira de Ciencia do Solo

URL: https://doi.org/10.36783/18069657rbcs20220053

DOI: 10.36783/18069657rbcs20220053


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Funding

Funder referenceFunder name
88887.571359/2020-00

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