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Jan 5, 2021 -
REGULARITIES OF SCIENTIFIC AND TECHNOLOGICAL DEVELOPMENT OF GRAIN PRODUCTION IN RUSSIA
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The table shows the dynamics of the indicator of grain yield in the USSR and Russia. This data is raw data. The authors processed them using spectral analysis, calculated some cyclicality. The duration of each period is 17 years (in one case, 18 years). Each period's beginning coincides with technical innovations in grain production and a significa... |