The influence of organic mineral fertilizers and Agrozel on concentration of microelements in blackberry leaves
2006
Glisic, I.,Agronomski fakultet, Cacak (Serbia) | Milosevic, T.,Agronomski fakultet, Cacak (Serbia) | Boskovic-Rakocevic, Lj.,Agronomski fakultet, Cacak (Serbia)
The paper presents the results of a two-year study of influence of different combinations of Agrozel, manure and complex mineral fertilizer NPK (15:15:15) on concentration of microelements (Fe, Zn, Cu, Mn) in thornfree blackberry leaves. The study was conducted in a blackberry nursery, 11 and 12 years after planting. Blackberry was planted on shallow and eroded clayed soil, the type of soil in respect of its physical and chemical features not suitable for achieving optimal crop. The results have shown that introducing organic mineral fertilizers and Agrozel in to the soil did not siugnificantly changed concentration of microelements in blackberry leaves. However, concentrations of Fe, Zn, and Mn were significantly different in 1999 and later in 2000 in all the treatments that were applied during the study. Only the concentration of Cu did not markedly during the years of the research.
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