固磷基质(无定形铁)淋失特征及其与磷素淋失的关系

生态学杂志 ›› 2005, Vol. ›› Issue (12): 1384-1387.

固磷基质(无定形铁)淋失特征及其与磷素淋失的关系

王道涵^1,2, 孙铁珩¹, 何娜³, 杜立宇³, 梁成华³

1. 中国科学院沈阳应用生态研究所, 沈阳, 110016;
2. 辽宁大学环境科学系, 沈阳, 110036;
3. 沈阳农业大学土地与环境学院, 沈阳, 110161

收稿日期:2004-04-09 修回日期:2004-07-12 出版日期:2005-12-10
基金资助:
国家自然科学基金项目(30370972)和沈阳大学环境工程重点实验室开放基金资助项目.

Soil amorphous iron leaching and its relation with phosphorus leaching

WANG Daohan^1,2, SUN Tieheng¹, HE Na³, DU Liyu³, LIANG Chenghua ³

1. Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang 110016, China;
2. Department of Environment Science, Liaoning University, Shenyang 110036, China;
3. College of Soil and Environment, Shenyang Agricultural University, Shenyang 110161, China

Received:2004-04-09 Revised:2004-07-12 Online:2005-12-10

摘要/Abstract

摘要： 采用淋洗试验研究了水田土壤固磷基质(无定形铁)淋失特征及其与磷素淋失的关系。结果表明,添加柠檬酸和葡萄糖培养处理对无定形铁、络合态铁的淋失具有极显著效应,水分和温度等因素对无定形铁和络合态铁的淋失交互效应显著;相关分析表明,固磷基质(无定形铁)淋失与磷素淋失的相关关系显著,说明对磷素淋失有一定的影响。

关键词: 阳春砂仁, 热带森林, 次生林

Abstract: Soil amorphous iron is a medium of phosphorous fixation.With washing experiment,this paper studied the characteristics of soil amorphous iron leaching in paddy soils and its relation with phosphorus leaching.The results showed that adding citric acid and glucose had a significant effect on the leaching of soil amorphous and complex iron.A significant interaction was observed between soil moisture and temperature on the leaching of soil amorphous and complex iron.There was a close correlation between the leaching of soil amorphous iron and phosphorus.

Key words: Amomum villosum, Tropical forest, Secondary forest

中图分类号:

S158.3

王道涵, 孙铁珩, 何娜, 杜立宇, 梁成华. 固磷基质(无定形铁)淋失特征及其与磷素淋失的关系[J]. 生态学杂志, 2005, (12): 1384-1387.

WANG Daohan, SUN Tieheng, HE Na, DU Liyu, LIANG Chenghua . Soil amorphous iron leaching and its relation with phosphorus leaching[J]. cje, 2005, (12): 1384-1387.

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