00527naa#a2200169#i#4500001001300000005001700013011001400030100004100044101000800085102000700093200013200100210004900232215001000281608002700291700002400318856001500342EN\\bibl\61420240905091321.4##a2073-0462##a20131024b2013####ek#y0engy0150####ca0#aRUS##aRU1#aEfficiency of use of increasing doses of mineral and organic fertilizers on potato  in the middle Volga steppeeJournal article1#aKazancKazan state agrarian Universityd2013##a3 с.##aJournal article2local#1aVladimirovgSergey 4#anaukaru.ru