外源硒对大豆产量、植株氮磷含量及土壤酶活性的影响

应用生态学报 ›› 2003, Vol. ›› Issue (5): 776-780.

外源硒对大豆产量、植株氮磷含量及土壤酶活性的影响

董广辉¹, 陈利军¹, 武志杰¹, 肖世盛², 陈利², 雷恩春³

1. 中国科学院沈阳应用生态研究所, 沈阳 110016;
2. 辽宁省朝阳市土肥站, 朝阳 122000;
3. 辽宁农业职业技术学院, 熊岳 115214

收稿日期:2002-07-05 修回日期:2002-09-02 出版日期:2003-05-15
通讯作者: 陈利军
基金资助:
国家重点基础研究发展规划项目(G199901180804);中国科学院“引进国外杰出人才”项目

Effect of exogenous selenium on soybean yield and its total N and P contents and on soil enzyme activities

DONG Guanghui¹, CHEN Lijun¹, WU Zhijie¹, XIAO Shisheng², CHEN Li², LEI Enchun³

1. Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang 110016, China;
2. Chaoyang Soil and Fertilizer Research Station, Liaoning Province, Chaoyang 122000, China;
3. Liaoning Professional College of Agricultural Technology, Xiongyue 115214, China

Received:2002-07-05 Revised:2002-09-02 Online:2003-05-15

摘要/Abstract

摘要： 利用盆栽试验,研究了不同浓度、不同价态外源Se对大豆产量、N、P含量及与N、P代谢密切联系的土壤脲酶和磷酸酶活性的影响.结果表明,施用浓度为0.25和0.5μg·g^-1土的Se⁴⁺和Se⁶⁺后,大豆产量、含N量及土壤脲酶活性增加,大豆含P量和土壤磷酸酶活性降低.当Se⁶⁺浓度为0.5μg·g^-1土时,大豆植株含N量与土壤脲酶活性呈极显著的抛物线相关关系;Se⁶⁺浓度为0.25μg·g^-1土时,大豆植株含P量与土壤磷酸酶活性呈极显著的抛物线相关关系.Se⁴⁺处理的大豆N、P含量和土壤脲酶和磷酸酶活性均无显著相关关系.

Abstract: Based on pot experiment with black soil,the effects of various concentrations and various valence of exogenous selenium on soybean yield and its Nand Pcontents and on soil enzyme activities were studied. The results showed that applying0.25μg·g^-1 soil and 0.5μg·g^-1 soil of both Se⁴⁺ and Se⁶⁺ could increase soybean yield and its Ncontent and promote soil urease activity, but decrease the Pcontent of soybean and soil phosphatase activity. When the concentration of Se⁶⁺ was 0.5μg·g^-1 soil, there was a significantly parabola relationship between the Ncontent of soybean and soil urease activity; and when the concentration of Se⁶⁺ was 0.25μg·g^-1 soil, there was a significantly parabola relationship between the Pcontent of soybean and soil phosphatase activity. There were no significant relationships between the Nand Pcontents of soybean and the activities of test soil enzymes when Se⁴⁺ was applied.

中图分类号:

S154.3

董广辉, 陈利军, 武志杰, 肖世盛, 陈利, 雷恩春. 外源硒对大豆产量、植株氮磷含量及土壤酶活性的影响[J]. 应用生态学报, 2003, (5): 776-780.

DONG Guanghui, CHEN Lijun, WU Zhijie, XIAO Shisheng, CHEN Li, LEI Enchun. Effect of exogenous selenium on soybean yield and its total N and P contents and on soil enzyme activities[J]. Chinese Journal of Applied Ecology, 2003, (5): 776-780.

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