Acta Univ. Agric. Silvic. Mendelianae Brun. 2007, 55, 9-16
Published online 2014-11-26

The effect of hard coal ashes on the quality of maize yield. Part 2. Microelements

Jacek Antonkiewicz1, Tomáš Lošák2

1Department of Agricultural Chemistry, Agricultural University in Krakow, Al. Mickieiwcza 21, 31-220 Krakow, Poland
2Ústav agrochemie, půdoznalství, mikrobiologie a výživy rostlin, Mendelova zemědělská a lesnická univerzita v Brně, Zemědělská 1, 613 00 Brno, Česká republika

Studies on the effect of ashes on maize were conducted as a pot experiment on mineral soil, to which between 13.33 and 800.0 g ash∙pot – 1 was added, corresponding to the doses of between 10 and 600 t∙ha – 1. The research aimed to learn the effect of diversified ash doses on the content, uptake and proportions between Fe, Co, Mn, Al and Si in maize. It was found that with increasing ash dose in soil were significantly increasing the concentration of Fe and Si in plants (Fe: 110.15–209.96 – 1 d.m.; Si: 40.60–76.10 – 1), whereas concentrations of Co, Mn and Al in maize were decreasing (Co: 0.30–0.11 mg. kg – 1 d.m.; Mn: 207.83–44.65 – 1; Al: 300.09–179.80 – 1 d.m). Higher contents of the studied elements were detected in maize roots than in its aboveground parts. Obtained yield of maize aboveground parts from the objects where solely ash was used as the substratum was characterized by the optimal content of Fe (104.61 – 1 d.m.), but deficient concentration of Mn (29.69 mg. kg – 1 d.m.) and Co (0.01 – 1 d.m.). In effect of growing ash doses in soil Fe:Co, Fe:Mn, Fe:Al and Mn:Co ratios were widening, whereas Fe:Si, Mn:Al, Mn:Si and Al:Si ratios were narrowing. Growing ash doses in soil influenced a decreased uptake of Co, Mn and Al and increased Si absorption by maize.


maize, Fe, Co, Mn, Al, Si, content, uptake, ash, mineral soil.


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