|本期目录/Table of Contents|

[1]柳云龙,卢小遮,龚峰景,等.稻田施肥后田面水氮素动态变化特征[J].江苏农业科学,2017,45(21):268-271.
 Liu Yunlong,et al.Dynamic changes of surface nitrogen in paddy field after fertilization[J].Jiangsu Agricultural Sciences,2017,45(21):268-271.
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稻田施肥后田面水氮素动态变化特征(PDF)
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《江苏农业科学》[ISSN:1002-1302/CN:32-1214/S]

卷:
第45卷
期数:
2017年第21期
页码:
268-271
栏目:
资源与环境
出版日期:
2017-11-05

文章信息/Info

Title:
Dynamic changes of surface nitrogen in paddy field after fertilization
作者:
柳云龙1 卢小遮1 龚峰景2 赵永才2
1.上海师范大学地理系,上海 200234; 2.宁波市环境保护科学研究设计院,浙江宁波 315012
Author(s):
Liu Yunlonget al
关键词:
稻田总氮铵态氮硝态氮变化特征
Keywords:
-
分类号:
S511.06
DOI:
-
文献标志码:
A
摘要:
采用具有独立排灌系统的田间试验分析研究了施氮后水稻田面水总氮、铵态氮、硝态氮的动态变化特征。结果表明,施氮能明显提高田面水氮素含量,其中铵态氮和总氮的含量远高于硝态氮含量,并且总体上随施肥量的增加而增加。施氮后田面水总氮、铵态氮浓度均在次日达到最大值,并随时间的推移而快速下降。第1次追肥后9 d,各小区田面水总氮浓度降至施肥后1 d的7%~12%,田面水铵态氮浓度则降为1.66%~3.96%,接近于对照小区,施氮后1周是防止水稻田面水铵态氮和总氮流失的关键时期。
Abstract:
-

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2016-06-07
基金项目:浙江省宁波市科技局项目(编号:2008C50016);上海师范大学校级项目(编号:SK201522)。
作者简介:柳云龙(1971—),男,安徽池州人,博士,副教授,从事土壤环境科学的研究。Tel:(021)64328912;E-mail:liu_zju@126.com。
更新日期/Last Update: 2017-11-05