THE PHYTOTOXICITY OF WASTE DUMP COAL MINES UNDER EFFECT OF STONE POWDER AND VERMIHUMATE
Journal Title: Naukovyi visnyk Chernivetskoho universytetu. Biolohiia (Biolohichni systemy) - Year 2017, Vol 9, Issue 1
Abstract
The effect of coal fly ash from Dobrotvir TPP and vermihumate derived from earthquake worms on the phytotoxicity of waste dump coal mines from Chervonograd coal mining region (Ukraine) was studied. Sudan grass Sorghum bicolor subsp. drummondii (Nees ex Steud.) in conditions of Petri dishes was used for biotesting. An increasing of shoot and root length of seedlings under the effect of fly ash in cases of it’s separately adding and combined with vermihumate to the substrates of waste dumps coal mines had been observed. Instead, vermihumate’s adding didn’t effect on the above mentioned morphmetric parameters of Sudan grass. It was founded that adding of both studied ameliorants increases in content and ratio of chlorophylls a/b in seedlings’ leaves. However, both of investigated substances decreased the content of total phenolic compounds and separately determined anthocyanins. Increasing in chlorophyll content and their ratio in combination with decreasing phenolic compounds’ content is evidence of reducing stress for plants caused by phytotoxicity. The study results show that application of fly ash from Dobrotvir TPP with vermihumate reduces the phytoxicity more effective than separate application of fly ash.
Authors and Affiliations
Я. В. ШПАК, І. Р. ЗАПІСОЦЬКА, В. І. БАРАНОВ, О. І. ТЕРЕК
Keywords
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