Abstract
The global warming had a significant impact on agriculture in Russia over the past decades, what causes an urgent need for scientific analysis of warming impact on agriculture production and its efficiency. On the example of published data concerning weather conditions of grain crops cultivation in Tambov Region, methodical questions of statistical estimation of their influence on the level and variation of productivity are considered. Within the framework of metrological support, techniques are offered for constructing the qualitatively homogeneous time series of productivity and climate factors, alignment of rows and assessment of the degree of influence of air temperature and precipitation during the vegetation period on the productivity based on the correlation analysis of deviations of characteristics from the aligned series. It is recommended to use the offered approaches as the metrological support for the analysis of dynamics of productivity in all subjects of the Russian Federation, and differences in the level of productivity between them.
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