| Description |
|
| |
The Ryazan Lip. agrarian conference. (1916).
|
|
|
Protocol of the Meeting of Agronomists under the Ryazan Provincial Zemstvo Board on February 28-29, 1916. - Ryazan: Type. N.V. Lubomudrova, 1916. -23 p. : tab. -
In the book. Also: Instructions for setting experiments with ammonium sulphate / Ryaz. lips. zemstvo.
. |
|
|
|
|
|---|
|
Source of the electronic copy: PB |
|
En
Ru