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Standard operating procedure for soil organic carbon. Walkley-Black method: titration and colorimetric method










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    Booklet
    Standard operating procedure for soil organic carbon: Tyurin spectrophotometric method 2021
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    This protocol applies to the determination of the oxidizable organic carbon content in the soil. The organic carbon content is calculated from the amount of chromic ion (Cr3+) formed which is determined by the spectrophotometric method.
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    Brochure, flyer, fact-sheet
    Standard Operating Procedure for soil calcium carbonate equivalent - titrimetric method 2020
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    GLOSOLAN is a Global Soil Laboratory Network which aims to harmonize soil analysis methods and data so that soil information is comparable and interpretable across laboratories, countries and regions. Evidence-based decisions are critical to the achievement of Sustainable Soil Management (SSM), food security and nutrition, and Agenda 2030 for Sustainable Development. While the quantity and quality of soil data are fundamental, soil information must also be harmonized and globally consistent to have impact. Standard operating procedures (SOPs) are sets of step-by-step written instructions that help lab staff to carry out routine operations by describing, in detail, how to perform a laboratory process or experiment safely and effectively. SOPs aim to achieve efficiency, quality of output and uniformity of performance, while reducing miscommunication and failure to comply with laboratory and international standards. The harmonization of laboratory standard operating procedures and methods is at the basis of harmonizing soil laboratory data.
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    Brochure, flyer, fact-sheet
    Template for reporting the Global Soil Laboratory Network standard operating procedures 2020
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    Evidence-based decisions are central to the achievement of Sustainable Soil Management (SSM), which in turn is critical to the achievement food security and nutrition, and to the Agenda 2030. While the quantity and quality of soil data are fundamental, soil information must also be harmonized and globally consistent to have impact. Established in 2017, in the framework of the Global Soil Partnership’s Pillar 5, the Global Soil Laboratory Network (GLOSOLAN) facilitates networking and capacity development through cooperation and information sharing between soil laboratories with different levels of expertise. The development of Standard Operating Procedures (SOPs) is a key step toward the harmonization of soil laboratory methods and data. At the purpose of developing harmonized SOPs, the following template and related instructions of use was prepared.

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