publication . Article . 2020

Development ot a black-earth soil reterence material, tested tor fertility indicators

Open Access
  • Published: 01 Jan 2020 Journal: Reference materials, volume 15, pages 33-40 (issn: 2077-1177, Copyright policy)
  • Publisher: Ural Research Institute of Metrology (UNIIM)
Abstract
The authors provide information on the need to develop a reference material (RM) of the southern middle loamy black soil certifiedfor fertility indicators. The information about the stages of RM development is described: selection and preparation of soil material in the field; procedure of averaging soil material. In the determination of the RM metrological characteristics, the heterogeneity and stability characteristics of the RM are evaluated. The authors demonstrated the results of the RM certification for agrochemical indicators. The correctness of these results is confirmed by the results obtained in twenty-three accredited laboratories. The developed RM is...
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free text keywords: reference materials, southern medium loamy black soil, sampling, agrochemical indicators, interlaboratory certification, Agrochemical, business.industry, business, Soil material, Environmental science, Certification, Loam, Soil fertility, Certified reference materials, Agricultural engineering, lcsh:Technology, lcsh:T
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