污泥土地利用对农作物及土壤的影响研究

应用生态学报 ›› 2002, Vol. ›› Issue (2): 163-166.

污泥土地利用对农作物及土壤的影响研究

王新, 陈涛, 梁仁禄, 周启星

中国科学院沈阳应用生态研究所陆地生态过程开放研究实验室, 沈阳 110016

收稿日期:2001-05-28 修回日期:2001-08-24 出版日期:2002-02-15
通讯作者: 王新,女,1961年生,副研究员,主要从事污染生态学研究,发表论文20余篇.
基金资助:
国家重点基础研究发展规划项目(973);中国科学院”污染生态化学”百人计划项目;沈阳北部污水处理厂科研资助项目

Effects of land utilization of sewage sludge on crops and soils

WANG Xin, CHEN Tao, LIANG Renlu, ZHOU Qixing

Open Laboratory of Terrestrial Ecological Process, Chinese Academy of Sciences, Shenyang 110016

Received:2001-05-28 Revised:2001-08-24 Online:2002-02-15

摘要/Abstract

摘要： 以沈阳北部污水处理厂污泥为研究对象,开展了污泥土地利用对农作物及土壤环境影响的研究.结果表明,污泥土地利用可提高土壤中N、P及有机质含量.污泥用量为22.5t·hm^-2和45t·hm^-2时有利于作物生长发育,使水稻生物量与对照相比分别增加了11.48%、11.83%.污泥施用量只要控制在45t·hm^-2以内,污泥中的重金属不会对土壤、农产品质量及地下水产生不良的影响.

关键词: 污泥, 土地利用, 作物, 土壤, 环境影响

Abstract: Effects of land utilization of sewage sludge on crops and soil environment were studied using sewage sludge from the Northern Shenyang Plant of Wastewater Treatment.The results showed that contents of nitrogen,phosphorus and organic matter in the soil were increased after the utilization of sewage sludge,thus being advantageous to growth and development of crops.The biomass of rice after having applied 22.5 and 45t·hm^-2 of sewage sludge was increased by 11.48%～11.83% compared with the control.There was no evident harmful effect of heavy methals from sewage sludge on quality of soil environment,agricultural products and underground water when the application of sewage sludge was controlled within the range of 45t·hm^-2.

Key words: Sewage sludge, Land utilization, Crop, Soil, Environmental impact

中图分类号:

X703

王新, 陈涛, 梁仁禄, 周启星. 污泥土地利用对农作物及土壤的影响研究[J]. 应用生态学报, 2002, (2): 163-166.

WANG Xin, CHEN Tao, LIANG Renlu, ZHOU Qixing . Effects of land utilization of sewage sludge on crops and soils[J]. Chinese Journal of Applied Ecology, 2002, (2): 163-166.

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