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27 дек 1920 г. - Late 1920's
Описание:
Scientists improved the seeds from which farmers grew corn. The best qualities of several kinds of seeds were combined. Fertilizers helpted farmers produce more from each plant.
Добавлено на ленту времени:
History of agriculture
By
Tommy Pham
7 мар 2018
0
0
345
Дата:
27 дек 1920 г.
Сейчас
~ 103 г назад
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