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27 déc. 1920 - Late 1920's

Description:

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.

Ajouté au bande de temps:

History of agriculture

ByTommy Pham
7 mars 2018
0
0
471

Date:

27 déc. 1920
Maintenaint
~ Il y a 104 ans
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