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jan 1, 400 - Трехполка

Description:

система севооборота с чередованием, например, пара, озимых и яровых культур

Added to timeline:

Овчинников Линия времени

ByРостислав Бритов

22 Nov 2017

0

0

684

Date:

jan 1, 400

Now

~ 1627 years ago

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