Development ot a black-earth soil reterence material, tested tor fertility indicators
https://doi.org/10.20915/2077-1177-2019-15-4-33-40
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 registered in the State Register of the Approved Types of Certified Reference Materials under the number GSO 11369-2019-the RMfor composition (of agrochemical indicators) of the southern middle loamy black soil (SACHyuzhP-02).
The RM is intended for metrological support of agroecological monitoring of agroindustrial complex laboratories.
About the Authors
G. A. Stupakova
All-Russian Research Institute o1 Agrochemistry
Russian Federation
Russian Federation
E. E. Ignatyeva
All-Russian Research Institute o1 Agrochemistry
Russian Federation
Russian Federation
T. I. Shchipletsova
All-Russian Research Institute o1 Agrochemistry
Russian Federation
Russian Federation
D. K. Mitrofanov
All-Russian Research Institute o1 Agrochemistry
Russian Federation
Russian Federation
References
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Review
For citations:
Stupakova G.A., Ignatyeva E.E., Shchipletsova T.I., Mitrofanov D.K. Development ot a black-earth soil reterence material, tested tor fertility indicators. Measurement Standards. Reference Materials. 2019;15(4):33-40. (In Russ.) https://doi.org/10.20915/2077-1177-2019-15-4-33-40
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