Effect of fly-ash on metal composition and physiological responses in Leucaena leucocephala (Lamk.) de. Wit.

被引：20
作者：
Gupta, M [1 ]
Kumar, A [1 ]
Yunus, M [1 ]
机构：
[1] Natl Bot Res Inst, Div Environm Sci, Plant Mol Biol Div, Lucknow 226001, Uttar Pradesh, India
来源：
ENVIRONMENTAL MONITORING AND ASSESSMENT | 2000年 / 61卷 / 03期
关键词：
fly-ash; Leucaena leucocephala; metal; press mud;
D O I：
10.1023/A:1006169716006
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
Plants of L. leucocephala were grown in 100% soil (as control), 100% fly-ash and fly-ash amended with 50% press mud for 80 days, and analysed with respect to plant growth, elemental composition and physiological changes in different parts of the plant. The results revealed that amending fly-ash with press mud enhanced plant growth as well as other physiological responses such as chlorophyll, protein, in vivo nitrate reductase activity compared to 100% fly-ash treated plants. The elements Fe, Zn, Cu and Mn accumulated in larger quantities in plants grown in 100% fly-ash, and followed the order of accumulation Fe > Zn > Cu > Mn. The results of this study indicate that ash amending with press mud may provide more favourable conditions for the growth of this tree species.
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收藏
页码：399 / 406
页数：8
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