En
RuУдобрения
Материалы по теме
Proceedings of the Tambov Agricultural Experimental Station. Issue. 8. Fertilizer issues
|
Tambov Agricultural Experimental Station. Proceedings of the Tambov Agricultural Experimental Station. Tambov, 1915-1930. Вып. 8: Fertilizer issues. Tambov: Typography "Proletarian Lights", 1925. |
On the encouragement of Polyakova OA
| Russian Federation. President (2008-; DA Medvedev). On the promotion of Polyakova O. A .. Moscow, 2009. |
Journal of the commission of agronomists at the Vladimir provincial zemstvo board on June 18, 1908, to develop questions on the setting of experiments with artificial fertilizers by the soil laboratory
| Vladimir provincial zemstvo commission of agronomists. Journal of the Commission of Agronomists at the Vladimir Provincial Zemstvo Board on June 18, 1908 to develop questions on the setting of experiments with artificial fertilizers by the soil laboratory. Vladimir: Typo-lithograph of the Vladimir Provincial Zemstvo Board, 1908. |