| 黑垆土典型剖面养分分布特征及历史演变 |
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| 引用本文： | 摄晓燕,谢永生,王辉,许晶晶. 黑垆土典型剖面养分分布特征及历史演变[J]. 江西农业学报, 2011, 23(8): 1-4,8 |
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| 作者姓名： | 摄晓燕 谢永生 王辉 许晶晶 |
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| 作者单位： | 1. 西北农林科技大学资源环境学院、中国科学院水利部水土保持研究所,陕西杨凌,712100
2. 江西省农业科学院农业信息研究所,江西南昌,330200 |
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| 基金项目： | 国家科技支撑计划项目(2006BAD05B10、2006BAD09B10); 中科院方向性项目(KSCX1-YW-N-15-04),中国科学院知识创新工程重大项目(KSCX-YW-09-07) |
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| 摘 要： | 利用土壤普查历史资料,采用原位采样及相同测定方法研究了不同时期典型黑垆土剖面的养分分布特征及演变趋势。结果表明:黑垆土剖面中有机质和全氮含量呈"S型"分布,均随土壤深度增加而呈下降趋势;全磷含量为"中低型"分布;全钾含量在整个剖面中基本趋于一致。与20世纪80年代相比,2008年黑垆土耕层有机质、全氮和全磷含量呈增加趋势,但在其他土层它们的含量均有不同程度的减少;全钾含量在整个土壤剖面均呈减少态势;耕层C/N平均值有所提高。
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| 关 键 词： | 黑垆土 剖面 养分分布 肥力演变 |
Characteristics of Nutrient Distribution on Typical Dark Loessial Soil Profile and Its Historical Evolution |
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| SHE Xiao-yan,XIE Yong-sheng,WANG Hui,XU Jing-jing. Characteristics of Nutrient Distribution on Typical Dark Loessial Soil Profile and Its Historical Evolution[J]. Acta Agriculturae Jiangxi, 2011, 23(8): 1-4,8 |
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| Authors: | SHE Xiao-yan XIE Yong-sheng WANG Hui XU Jing-jing |
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| Affiliation: | SHE Xiao-yan1,XIE Yong-sheng1,WANG Hui1,XU Jing-jing2(1.College of Resources and Environment,Northwest Agriculture and Forest University,Institute of Soil and Water Conservation,Chinese Academy of Sciences,Yangling 712100,China,2.Institute of Agricultural Information,Jiangxi Academy of Agricultural Sciences,Nanchang 330200,China) |
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| Abstract: | Based on the historical data of soil general investigation,the characteristics of nutrient distribution on the typical dark loessial soil profile and its historical evolution in recent 30 years were studied with the situ sampling method and the same determination methods as those of the historical soil general investigation.The results showed that the organic matter and total nitrogen content on dark loessial soil profile distributed as S type,and they decreased along with the increasing of soil depth.The d... |
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| Keywords: | Dark loessial soil Profile Nutrient distribution Historical evolution |
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