00667naa#a2200205#i#450# EN\\bibl\80242 20260220104213.5 1819-4036 20190225b2019####ek#y0engy0150####ca RUS RU THE INFLUENCE OF COPPER FERTILIZERS ON THE FORMATION OF THE YIELD OF MEDICINE RAW MATERIAL ECHINACEA PURPLE (ECHINACEA PURPUREA) Journal article Krasnoyarsk Krasnoyarsk State Agrarian University 2019 6 с. Journal article local . 631.82:631.559:633.88 RUS Sukhotskaya V V Zharkova N N Ermokhin Yu I vestnik.kgau.ru