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1 gen 1740 anni - Иоганн Кюльбель - работа о плодородии почв - питательный сок (гумусовая теория)

Aggiunto al nastro di tempo:

История почвоведения

ByМария Постнова
6 feb 2021
1
0
278

Data:

1 gen 1740 anni
Adesso
~ 285 years ago
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