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CHANGES IN THE CONTENTS OF SELECTED HEAVY METALS IN TEST PLANTS FERTILISED WITH SEWAGE SLUDGE AND HARD COAL ASH

机译:用污水污泥和硬煤灰施肥的试验植物中所选重金属含量的变化

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摘要

The study aimed at determining changes in the contents of selected metals in the biomass of test plants due to fertilisation with fresh and composted sewage sludge, hard coal ash, and sludge-ash mixture, as well as liming at a background of mineral nutrition. The experimental design was a completely randomised arrangement with three replicates. The following factors were examined: fertilisation with organic and mineral materials (fresh sewage sludge; composted sewage sludge; hard coal ash; calcium carbonate) and mineral fertilisation (no fertilisation; NPK fertilisation). An application of sewage sludge, hard coal ash, and sludge-ash mixture significantly increased maize content of barium. Addition of hard coal ash into sewage sludge contributed to an increase in lead content determined in cocksfoot biomass harvested from the first and second cut, and barium in maize biomass. Soil liming significantly affected barium content the biomass of plants harvested from the first and second cut, as well as in maize biomass. NPK nutrition significantly increased barium concentrations in the biomass of test plants and maize.
机译:该研究旨在确定由于用新鲜和堆肥污泥,硬煤灰和污泥 - 灰烬混合物的施肥而在测试植物中所选金属中所选金属含量的变化,以及矿物营养背景下的犹豫。实验设计是一种完全随机排列,三个重复。研究了以下因素:用有机和矿物质施肥(新鲜污水污泥;堆肥污水;硬煤灰;碳酸钙)和矿物施肥(无施肥; NPK施肥)。污水污泥,硬煤灰和污泥 - 灰分混合物的应用显着提高了钡的玉米含量。将硬煤灰添加到污水中,促进了从第一和第二切口收获的Cocksfoot生物量中测定的铅含量的增加,以及玉米生物质中的钡。土壤跛行显着影响钡含量从第一和第二切口以及玉米生物质中收获的生物量。 NPK营养在测试植物和玉米生物量中显着增加了钡浓度。

著录项

  • 作者

    Agnieszka Godlewska;

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  • 年度 2017
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  • 原文格式 PDF
  • 正文语种 eng
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