Effect of fly ash on the availability of Zn, Cu, Ni and Cd to chicory

被引：0
|
作者：
Scotti, IA [1 ]
Silva, S [1 ]
Botteschi, G [1 ]
机构：
[1] Univ Cattolica Sacro Cuore, Fac Agr, Inst Agr & Environm Chem, Piacenza, Italy
来源：
AGRICULTURE ECOSYSTEMS & ENVIRONMENT | 1999年 / 72卷 / 02期
关键词：
fly ash; heavy metals; chicory; salts; Italy;
D O I：
暂无
中图分类号：
S [农业科学];
学科分类号：
09 ;
摘要：
Chicory (Cichorium Intybus) was grown in two soils, at pH 5.7 and 7.0, respectively; the soils were augmented with fly-ash and/or metals as salts. In acid soil the ash addition caused a decrease of Zn, Cu, Cd and Ni concentration for all treatments; for neutral soil this was true for Zn, but for Cu and Cd, only for treatments with salts. The added metals are more available to plants than those naturally occurring in soils. Extractions carried out with ethylene diamine tetra acetate (EDTA) pH 4.65 or diethyltriaminepentaacetic (DTPA) pH 7.3 showed no variation in extractable metal concentration over time. (C) 1999 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：159 / 163
页数：5
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