Szukana fraza: [Abstract = "The field experiment was conducted in 2013 in Duninowo. The factors under analysis were\: I. 6 fertilization variants\; II. 2 levels of microbiological preparation use. The aim of the research was the assessment of the effect of the use of ash from biomass, calcium fertilizers and bio\-compost \(BIOTOP\) together with Effective Microorganisms microbiological substance on yield, its structure and physiological parameters of spring barley cultivar Sebastian."]