The 2 references in paper T. Prichko G., L. Hilko A., M. Kostyuk A., Т. Причко Г., Л. Хилько А., М. Костюк А. (2017) “ВЛИЯНИЕ КРЕМНИЙОРГАНИЧЕСКОГО БИОСТИМУЛЯТОРА НА КАЧЕСТВО ПОСАДОЧНОГО МАТЕРИАЛА ЗЕМЛЯНИКИ // THEВ INFLUENCE OF THE SILICONORGANIC BIOSTIMULATOR ON THE QUALITY OF THE FRAGARIA’S LANDING MATERIAL” / spz:neicon:stavapk:y:2015:i:1:p:253-255

1
Methodological guidelines for field trials with fertilizers in orchards and berry fields. M., 1977. 160 p.
(check this in PDF content)
2
Pronko V. V. Karsakov K. V., Gataulin T. S. The efficiency of a potassium humate – sodium on chernozem soils of the Volga region // Fertility. 2010. No. 2. P. 18–19. 5. Prichko T. G., Hilko L. A. The efficiency of an
(check this in PDF content)