Research of interrelation of RI index and colorimetric parameters of measurements of soil organic content

  • Fargana Tavakkul gyzy Kazimova National Aerospace Agency
Keywords: RI index, soil organic content, organic carbon, organic matter, model

Abstract

In the article the interrelation of RI index and soil organic content is studied. Research of known model of interrelation of SOM  and SOC, and also model of interrelation of SOC  and  R,G,B  signals of colorimeter and obtained experimental data relating soil of arid and semiarid zones make it possible to derive the new formula for calculation of RI index in dependence of results of RGB colorimetric measurements of soil color. Check up of accuracy of calculation on obtained formula does show that result  of calculation on new formula differ from results on known formula by 13% which taking into consideration of non-certainty of choice of any model of interrelation of SOM  and SOC can be considered as acceptable. The conceptual basis for construction of conductmeter-colorymetric complex for estimation of soil organic content is described.

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Author Biography

Fargana Tavakkul gyzy Kazimova, National Aerospace Agency

Post-graduate Student

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Published
2020-01-22
Section
Agronomy