
Description |
Report on the results of setting experiments of variety testing of spikes in the military experimental field of the Siberian Cossack army / Ovchinnikov N.G.- 1915. -.Electronic copy source: Omsk Gonb
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Description |
Report on the results of setting experiments of variety testing of spikes in the military experimental field of the Siberian Cossack army / Ovchinnikov N.G.- 1915. -.Electronic copy source: Omsk Gonb
|
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