00532naa#a2200169#i#4500001001400000005001700014011001400031100004100045101000800086102000700094200013600101210004900237215001000286608002700296700002400323856001500347EN\\bibl\108720240905211919.4##a2073-0462##a20140113b2014####ek#y0engy0150####ca0#aRUS##aRU1#aWays of improving the use of photosynthetically active radiation in potato cultivation in the middle Volga steppeeJournal article1#aKazancKazan state agrarian Universityd2014##a5 с.##aJournal article2local#1aVladimirovgSergey 4#anaukaru.ru