00666naa#a2200193#i#450# EN\\bibl\622 20241130043245.6 2073-0462 20131024b2013####ek#y0engy0150####ca RUS RU Plants development, the leaf surface dynamics, the content of chlorophyll, net photosynthetic productivity, the coefficient of use of far, depending on the planting tubers depth Journal article Kazan Kazan state agrarian University 2013 3 с. Journal article local Samarkin Aleksey Samarkina Marina Shashkarov Leonid naukaru.ru