|本期目录/Table of Contents|

[1]段燕燕,张换换,王强,等.不同施氮量对春小麦-青贮玉米土壤氨挥发的影响[J].江苏农业科学,2020,48(09):93-97.
 Duan Yanyan,et al.Effects of different nitrogen application rates on soil ammonia volatilization in spring wheat-silage maize double cropping system[J].Jiangsu Agricultural Sciences,2020,48(09):93-97.
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《江苏农业科学》[ISSN:1002-1302/CN:32-1214/S]

卷:
第48卷
期数:
2020年第09期
页码:
93-97
栏目:
遗传育种与耕作栽培
出版日期:
2020-05-05

文章信息/Info

Title:
Effects of different nitrogen application rates on soil ammonia volatilization in spring wheat-silage maize double cropping system
作者:
段燕燕 张换换 王强 孙礼仁 陈杰 文雯 王江丽
石河子大学农学院/新疆生产建设兵团绿洲生态农业重点实验室,新疆石河子 832000
Author(s):
Duan Yanyanet al
关键词:
施氮量氨挥发春小麦青贮玉米复播体系
Keywords:
-
分类号:
S151.9+5
DOI:
-
文献标志码:
A
摘要:
在春小麦-青贮玉米复种体系中,探究不同施氮量对土壤氨挥发的影响。设置春小麦3个施氮量处理(0、360、480 kg/hm2,分别记作Nw0、Nw1、Nw2),青贮玉米3个施氮量处理(0、150、255 kg/hm2,分别记作Nc0、Nc1、Nc2),分别于春小麦开花-成熟期、青贮玉米开花-吐丝期采用密闭室法监测土壤氨挥发量,测定土壤含水量和NH+4-N含量,以及与氨挥发量的相关关系。研究结果表明,前茬春小麦季施氮量的大小对土壤氨挥发量有明显影响,在一定范围内,随着施氮量增加,氨气挥发量增加,Nw2>Nw1;后茬青贮玉米季土壤氨气挥发量表现为Nc2>Nc1>Nc0。在春小麦季开花-成熟期土壤氨挥发量与土壤含水量的相关性较低,与土壤NH4+-N含量的相关性较高;青贮玉米季开花-吐丝期土壤氨挥发量与土壤含水量呈强正相关,与土壤NH4+-N含量呈中等正相关,适当减少灌水量等可以减少土壤氨挥发量。由研究结果得出,前茬春小麦施氮量为360 kg/hm2、后茬青贮玉米施氮量为480 kg/hm2条件下的氨挥发量较少。
Abstract:
-

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备注/Memo

备注/Memo:
收稿日期:2019-04-30
基金项目:国家自然科学基金(编号:31460334);国家科技支撑计划(编号:2012BAD42B03)。
作者简介:段燕燕(1996—),女,甘肃武威人,主要从事绿洲农业持续高效发展理论与实践研究。E-mail:3256696993@qq.com。
通信作者:王江丽,博士,副教授,主要从事绿洲农业持续高效发展理论与实践研究。E-mail:wjl200207@163.com。
更新日期/Last Update: 2020-05-05