| 保护地不同灌溉方式下土壤碳库管理指数的研究 |
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| 引用本文： | 唐首锋,张玉龙,袁德玲,任秉枢.保护地不同灌溉方式下土壤碳库管理指数的研究[J].灌溉排水学报,2009,28(3). |
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| 作者姓名： | 唐首锋 张玉龙 袁德玲 任秉枢 |
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| 作者单位： | 沈阳农业大学土地与环境学院,农业部东北土壤与环境重点开放实验室,沈阳,110161
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| 基金项目： | 辽宁省重大农业攻关项目，辽宁省教育厅创新团队资助项目，辽宁省农业节水关键技术集成与示范项目 |
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| 摘 要： | 以沟灌、滴灌和渗灌3种灌溉方法进行保护地长期定位灌溉试验,保护地分3层采取0~45 cm土层的土壤样品,测定供试土壤的总有机碳、活性有机碳含量,计算出碳库管理指数,研究了不同灌溉方法对保护地土壤总有机碳和活性有机碳的影响。结果表明,土壤总有机碳和活性有机碳均随土层的加深而减少。在0~15 cm和15~30 cm土层,3种灌溉处理土壤的总有机碳含量顺序为滴灌>渗灌>沟灌,而30~45 cm的总有机碳含量顺序则为渗灌>滴灌>沟灌;各层次土壤活性有机碳含量排列顺序均为渗灌>滴灌>沟灌,且30~45 cm土层渗灌与沟灌的差异达到了5%显著水平;各灌溉处理、不同深度土层的土壤碳库管理指数大小排列顺序均为渗灌>滴灌>沟灌,但只有15~30 cm土层滴灌、渗灌的碳库管理指数与沟灌的差异达到了5%显著水平。
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| 关 键 词： | 灌溉方式 总有机碳 活性有机碳 碳库管理指数 |
Soil C Pool Management Index of Different Irrigation Methods in Protected Field |
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| TANG Shou-feng,ZHANG Yu-long,YUAN De-ling,REN Bing-shu.Soil C Pool Management Index of Different Irrigation Methods in Protected Field[J].Journal of Irrigation and Drainage,2009,28(3). |
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| Authors: | TANG Shou-feng ZHANG Yu-long YUAN De-ling REN Bing-shu |
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| Institution: | College of Land and Environmental Science;Shenyang Agricultural University;Key Open Laboratory of Northeastern Soil and Environment of Ministry of Agriculture;Shenyang 110161;China |
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| Abstract: | The experiment of different irrigation methods include furrow irrigation,drip irrigation and subsurface irrigation was conducted for a long term,and soils were sampled at different 3 depths within 45 cm,and determined the content of soil total organic carbon,active carbon and counted CPMI(carbon pool management index).The effect of different irrigation methods on total organic carbon and active carbon was studied in a protected field.The results indicated that the content of soil total organic carbon and ac... |
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| Keywords: | irrigation method soil total organic carbon soil active carbon CPMI |
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