|本期目录/Table of Contents|

[1]苏德纯,张福锁,黄焕忠.粉煤灰钝化污泥人工土壤上高麦草生长发育及营养状况研究[J].应用与环境生物学报,1997,3(03):230-235.
 Su Dechun,Zhang Fusuo,J. W. C. Wong.THE GROWTH OF AGROPYRON ELONGATUM IN AN ARTIFICIAL SOIL MIX WITH COAL FLY ASH AND SEWAGE SLUDGE[J].Chinese Journal of Applied & Environmental Biology,1997,3(03):230-235.
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粉煤灰钝化污泥人工土壤上高麦草生长发育及营养状况研究()
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《应用与环境生物学报》[ISSN:1006-687X/CN:51-1482/Q]

卷:
3卷
期数:
1997年03期
页码:
230-235
栏目:
论文
出版日期:
1997-08-25

文章信息/Info

Title:
THE GROWTH OF AGROPYRON ELONGATUM IN AN ARTIFICIAL SOIL MIX WITH COAL FLY ASH AND SEWAGE SLUDGE
作者:
苏德纯1 张福锁1 黄焕忠2
1. 中国农业大学资源与环境学院 北京 100094;
2. 香港浸会大学生物系 香港九龙塘
Author(s):
Su Dechun Zhang Fusuo J. W. C. Wong
1. College of Resourec & Environment, China Agricultural University, Beijing 100094;
2. Departmetn of Biology, Hong Kong Baptist University, Kowloon Tong. Hong Kong
关键词:
污泥粉煤灰高麦草
Keywords:
sewage sludgecoal fly ashAgropyron elonatum
摘要:
通过温室盆栽试验研究不同比例粉煤灰钝化污泥人工土壤上高麦草的生长发育及营养状况,试验结果表明:土壤中加入粉煤灰钝化污泥显著增加了高麦草的干物重.脱水污泥加入其鲜重的10%粉煤灰钝化后再按1:1和1:5体积比与土壤混合配成的人工土处理和加入其鲜重的35%粉煤灰钝化后再按1:1体积比与土壤混合配成的人工土处理高麦草的产量都显著高于自然土壤施用化肥的处理,高麦草的发芽率也不受影响.随着粉煤灰加入量的增加,高麦草地上部Ca,Mg和B的浓度(w/%或w/mg.kg-1)增加而K,Fe,Mn和Zn的浓度下降,高麦草根中Fe,Mn,Cu和Zn的浓度显著高于其地上部中的浓度.所有粉煤灰钝化后污泥人工土壤高麦草都没有出现N和P的缺乏和重金属毒害,说明合适比例的粉煤灰钝化污泥人工土壤是高麦草的良好生长介质.
Abstract:
A greenhouse experiment was performed to evaluate the feasibility of using an artificial soil medium produced with alkaline coal fly ash and sewage sludge for the growth of Agropyron elongatum (Tall wheat grass). Sludge was amended with ash at an application rate of 0.5%, 10%, 35% and 50% (w). Each mixture was then mixed with a loamy soil at either 1:1 or 1: 5 (Ψ)and incubated under greenhouse condition for 3 weeks prior to plant growth experiment. Addition of the ash-sludge mixture significantly improved the dry weight yields of A. elongatum Pots with 10% ash amended sludge at 1: 5 ()soil miring ratio had the highest yield while those with 10% and 35% ash-sludge amendment at 1:1 ()soil mixingratio had lower dry weight yields, but was still higher than that of the control with fertilizer treatment. No deficiency in N and P was noted for the ash-sludge amended pots at both 1: 1 and 1: 5. In shoot tissue Ca,Mg and B Concentrations (w/% or w/mg. kg-1) increased while K, Fe, Mn and Zn decreased with an increase in ash amendment rate. In root tissue Fe, Mn, Cu and Zn contents were significantly higher than those shoot tissue. hence, no excessive accumulation of heavy metals was observed from the ash-sludge amendment. The dry weight yields were improved even at a high amendment rate of 35% ash-sludge mixture at 1:1 V/V soil mixing ratio.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:1996-5-30;接受日期:1996-7-16。
基金项目:香港Croucher基金。
更新日期/Last Update: 1900-01-01