%0 Journal Article %T Formation of the photosynthetic indicators of spring wheat depending on the variety and pre-sowing treatment %A Vorobeva, T.. %A Shashkarov, L.. %K spring wheat, varieties, seed treatment, leaf area, photosynthetic capacity of crops, net photosynthesis productivity, the productivity of the leaves, the efficiency of the photosynthetically active radiation. %J Vestnik of Kazan State Agrarian University %D 2013 %N 8 %P 4 %I Kazan state agrarian University