The Study of Possible Soybean Introduction into New Cultivation Regions Based on the Climate Change Analysis and the Agro-Ecological Testing of the Varieties

Analyzing agro-climatic conditions for the period of 1981–2020 has revealed a tendency local climate warming under condition its aridization in territory Central region Russian Non-Chernozem zone, and new northern borders soybean growing have been marked. The isotherm sum active temperatures established to shifted towards high latitudes by 150–200 km. values increased from 1700–2200 °C 1950–2400 °C, while amount precipitation during season decreased 20–40 mm on average, 270–280 190–230 mm. Three subzones—northern (NAS), central (CAS) southern (SAS)—have identified, each characterized similar temperature humidity season. Thus, subzone, is 2000–2200 HTC (hydrothermal coefficient) 1.4–1.7, 285–295 mm; 2200–2400 1.1–1.4, 265–285 one, 2400–2600 0.7–1.1, 255–265 Along with ecotype varieties recommended this vegetation features early maturing other ecological types—southern Far Eastern—were studied. As result agro-ecological analysis varieties, it found that soybeans belonging group very or determinant type growth are cultivation subzone zone; semi-determinant growth—in determinant, semi-determinant, indeterminant zone. Considering variety characteristics tests conducted, can sustainably ripen all subzones Eastern varieties—in zones.