| 稻-麦轮作系统土壤糖酶活性对开放式CO2浓度增高的响应 |
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| 引用本文： | 张丽莉,张玉兰,陈利军,武志杰. 稻-麦轮作系统土壤糖酶活性对开放式CO2浓度增高的响应[J]. 应用生态学报, 2004, 15(6): 1019-1024 |
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| 作者姓名： | 张丽莉 张玉兰 陈利军 武志杰 |
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| 作者单位： | 1. 中国科学院沈阳应用生态研究所,沈阳,110016;中国科学院研究生院,北京,100039
2. 中国科学院沈阳应用生态研究所,沈阳,110016 |
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| 基金项目： | 中国科学院沈阳应用生态研究所知识创新领域前沿资助项目(SLYQY0 40 1) |
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| 摘 要： | 研究了稻-麦轮作系统中空气CO2浓度增高(200μmol·mol^-1)对土壤蔗糖酶、木聚糖酶、纤维素酶活性及土壤氮、磷、硫含量变化的影响．结果表明，与对照相比，种植小麦和水稻条件下FACE处理的土壤蔗糖酶活性升高；木聚糖酶活性在小麦的拔节期、抽穗期和成熟期以及水稻的抽穗期和成熟期显著高于对照；纤维素酶活性略降、相关分析表明，土壤碱解态氮含量与蔗糖酶之间呈显著的线性正相关关系．
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| 关 键 词： | 北京 植被 趋势分析 MODIS-NDVI 奥运 |
| 文章编号： | 1001-9332(2004)06-1019-06 |
| 修稿时间： | 2003-11-03 |
Response of soil saccharidase activities to free-air carbon dioxide enrichment (FACE) under rice-wheat rotation |
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| ZHANG Lili ,,ZHANG Yulan ,,CHEN Lijun ,WU Zhijie. Response of soil saccharidase activities to free-air carbon dioxide enrichment (FACE) under rice-wheat rotation[J]. The journal of applied ecology, 2004, 15(6): 1019-1024 |
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| Authors: | ZHANG Lili ZHANG Yulan CHEN Lijun WU Zhijie |
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| Affiliation: | Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang 110016, China. zhanglilisy@yahoo.com.cn |
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| Abstract: | This paper studied the effect of 200 micromol x mol(-1) CO2 elevation on soil saccharidase activities and soil nutrient contents under rice-wheat rotation. The results showed that under both wheat and rice planting, CO2 elevation increased soil invertase activity. The elevated CO2 significantly increased soil xylanase activity at the jointing, heading and ripening stages of wheat and at the heading and ripening stages of rice, and slightly decreased soil cellulase activity. Correlation analysis showed that there was a significantly linear positive relationship between soil alkali-hydrolyzed nitrogen and soil invertase activity. |
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| Keywords: | Free air CO 2 enrichment(FACE) Soil Invertase Xylanase Cellulase Enzyme activity. |
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