Optimum soil moisture content for development of winter crops in most regions

Cooler weather persisted in the country’s northern and central regions, where air temperatures were 2-1°? below normal.  Daytime air temperatures were within +6..+17°? throughout the week. Frost events of down to -2..-4°? occurred in North Romania on the night of October 3-4. The 5-cm soil layer heated to +7..+20°?. This was favorable the development of winter crops, which are at the germination and emergence ...

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