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Position: Home > Articles > Effect of Crystal Organic Fertilizer on Water-stable Aggregates and Micro-structure of Soils Journal of Huazhong Agricultural University 2003,22 (5) 452-456

结晶有机肥对土壤水稳性团粒组成及微结构的影响

作者：

刘义新;韩移旺;唐绅;安德艳;江玉平;刘武定

单位：

华中农业大学资源与环境学院;中国科学技术大学地球与空间科学学院;贵州省烟草公司松桃支公司;中国科学技术大学经济技术学院;湖南省烟草公司永州支公司

关键词：

结晶有机肥;水稳性团粒;微结构;土壤

摘要：

实验室条件下研究了江西鹰潭红壤、河南焦作褐土、安徽芜湖黄红壤、湖北五峰山地黄棕壤等4种类型土壤在结晶有机肥处理前后它们的水稳性团粒组成及其微结构的变化。结果表明:结晶有机肥处理显著增加土壤0.25～2.0 mm粒径水稳性团粒比重;处理后土粒机械强度增大,土粒中微孔增多,淹水后可见大量气泡冒出。扫描电镜下可见处理后土壤微结构得到明显改善。供试4种类型土壤的处理结果一致。

译名：

Effect of Crystal Organic Fertilizer on Water-stable Aggregates and Micro-structure of Soils

作者：

Liu Yixin Han Yiwang Tang Shen An Deyan Jiang Yuping Liu Wuding (Institute of Earth and Space, University of Science and Technology of China, Hefei 230026,China; Institute of Ecnomic Technology , University of Science and Technology of China, Hefei 230052, China; Yongzhou Tobacco Branch Company of Hunan Province,Yongzhou 425000,China; Songtao Tobacco Branch Company of Guizhou Province, Songtao 554300,China; College of Resources and Environment, Huazhong Agricultural University, Wuhan 430070, China)

关键词：

crystal organic fertilizer; water-stable aggregates; micro-structure; soil

摘要：

Water-stable aggregates and micro-structure of different type soils such as Jiangxi red soil, Henan brown soil, Anhui yellow-red soil and Hubei yellow-brown soil were researched. After the crystal organic fertilizer was applied to those soils, 0. 25-2. 0 mm water-stable aggregates, physical strength and micro pore of the soil were increased. The micro-structure of these soils observed by electron microscope was improved by the crystal organic fertilizer.

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结晶有机肥对土壤水稳性团粒组成及微结构的影响

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