00558naa#a2200169#i#450# EN\\bibl\8248 20240513170148.1 2073-0462 20150915b2015####ek#y0engy0150####ca RUS RU EFFICIENCY OF PRE-SOWING TREATMENT OF COMMON SPRUCE SEEDS WITH SUCH FERTILIZERS AS “BIOPLANT FLORA”, “GUMAT” AND NITROGEN FERTILIZATION Journal article Kazan Kazan state agrarian University 2015 3 с. Journal article local Sabirov Ayrat naukaru.ru