@article{Vorobeva2013formation, author={Vorobeva, T.. and Shashkarov, L..}, title={Formation of the photosynthetic indicators of spring wheat depending on the variety and pre-sowing treatment}, journal={Vestnik of Kazan State Agrarian University}, publisher={Kazan state agrarian University}, year={2013}, pages={96-100}, volume={8}, issue={3}, }