00594naa#a2200181#i#450# EN\\bibl\640 20241127000034.3 2073-0462 20131024b2013####ek#y0engy0150####ca RUS RU Economic and agroenergetic assessment of spring wheat during treatment with Nano-gro at the dark grey forest soils of Nizhniy Novgorod region Journal article Kazan Kazan state agrarian University 2013 3 с. Journal article local Shashkarov Leonid Vorobeva Tatyana naukaru.ru