00561naa#a2200181#i#450# EN\\bibl\615 20241130040914.6 2073-0462 20131024b2013####ek#y0engy0150####ca RUS RU Formation of the photosynthetic indicators of spring wheat depending on the variety and pre-sowing treatment Journal article Kazan Kazan state agrarian University 2013 4 с. Journal article local Vorobeva Tatyana Shashkarov Leonid naukaru.ru