Проектирование севооборотов, системы обработки почвы, воспроизводства плодородия и комплексных мер борьбы с сорняками. Н. Н. Тихонов

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посевных площадей не позволяет проводить уборку в указанные сроки, то ее необходимо оптимизировать, путем сокращения площадей посева зерновых культур и введением в севообороты многолетних трав.

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