[1]赵斌,王红,张瑞芳,等.片麻岩新成土中硝态氮垂直运移规律模拟研究[J].水土保持研究,2014,21(01):122-126.
　ZHAO Bin,WANG Hong,ZHANG Rui-fang,et al.Simulation Study on Nitrate Transport and Leaching in the Gneiss Entisols[J].Research of Soil and Water Conservation,2014,21(01):122-126.
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片麻岩新成土中硝态氮垂直运移规律模拟研究

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 21 期数: 2014年01期 页码: 122-126 栏目: 出版日期: 2014-02-28
Title:
Simulation Study on Nitrate Transport and Leaching in the Gneiss Entisols
作者:
赵斌1, 王红2, 张瑞芳2, 周大迈2, 张爱军2
1. 河北农业大学 理学院, 河北 保定 071001;
2. 河北农业大学 山区研究所/国家北方山区农业工程技术研究中心, 河北 保定 071001
Author(s):
ZHAO Bin1, WANG Hong2, ZHANG Rui-fang2, ZHOU Da-mai2, ZHANG Ai-jun2
1. College of Science, Agricultural University of Hebei, Baoding, Hebei 071001, China;
2. Research Institute of Mountainous Areas, Agricultural Engineering Technology Research Center of Mountain District in the North of China, Agricultural University of Hebei, Baoding, Hebei 071001, China
关键词:
片麻岩; 硝态氮; 淋溶迁移
Keywords:
gneiss; nitrate; transport and leaching
分类号:
S153.6+1
摘要:
采用室内土柱模拟的方法，研究河北省太行山片麻岩新成土中不同肥料、不同施氮量对硝态氮垂直运移的影响。结果表明，尿素、有机无机混合肥、氮磷复合肥中硝态氮淋失总量比值为1∶0.87∶0.94。中等施氮量下，有机无机复混肥可以降低氮素淋失。尿素硝态氮淋失率平均为29%，氮磷复合肥平均为27.8%，有机无机混合肥平均为23.7%。60 cm和90 cm处硝态氮淋失量比值为1∶1.03，差异不显著。淋溶结束后，有机无机混合肥在不同土层各处理中硝态氮含量最高，尿素硝态氮含量最低。
Abstract:
By simulating soil column in laboratory, the effects of the nitrate vertical transport characteristics in the gneiss of Taihang mountainous region of Hebei Province under different N fertilizer were studied. The results showed that the ratio of leaching loss amounts of nitrate-nitrogen was 1∶0.87∶0.94 among urea, organic-inorganic mixed fertilizer and N-P compound fertilizer. The amount of nitrate leaching increased with the increasing amount of nitrogen fertilizer, but there was no significant difference among the three fertilizers. Organic-inorganic mixed fertilizer could reduce nitrate leaching with the medium nitrogen fertilizer application. For urea, the rate of nitrate leaching loss averaged 29%, 27.8% for N-P compound fertilizer, 23.7% for organic-inorganic mixed fertilizer. With the increase of soil depth, there was no significant difference between 60 cm and 90 cm in which the ratio of nitrate-nitrogen leaching loss was 1∶1.03. At the end of the leaching, the nitrate content of organic-inorganic mixed fertilizer was the highest and the urea nitrate content was the lowest in different treatments.

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备注/Memo

收稿日期:2013-07-13;改回日期:2013-08-13。
基金项目:河北省自然科学基金项目（C2009000565）
作者简介:赵斌(1980-),女,河北廊坊人,硕士,主要从事山区生态治理研究。E-mail:zhaobinbaozhu@126.com

更新日期/Last Update: 1900-01-01