不同氮肥管理方式对华北粮田N2O排放和作物产量的影响分析

通过华北小麦和玉米田已发表文献分析，明确不同施氮量、氮肥基追比及氮素调控措施对土壤N2O排放和作物产量的影响。结果表明：高氮水平下减少氮肥用量并调整基追比有助于减少土壤N2O排放；添加硝化抑制剂双氰胺（DCD）对小麦和玉米产量的提高和土壤N2O的减排效果均较好。兼顾华北粮田N20减排和作物产量，小麦季推荐合理施氮量167-174kg·hm-2基追比1：1，添加DCD，土壤N2O总排放量为0-31kg·hm-2，籽粒产量6200kg·hm-2以上；玉米季推荐合理施氮量177-181kg·hm-2基追比2：3—1：2，添加DCD，土壤Nz0总排放量1．70kg·hm-2，籽粒产量9000kg·hm...

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Published in农业资源与环境学报 Vol. 33; no. 4; pp. 340 - 348
Main Author 舒晓晓 王艳群 李迎春 彭正萍 魏珊珊 石新丽 赵延伟
Format Journal Article
LanguageChinese
Published 农业农村部环境保护科研监测所 10.07.2016
中国农业生态环境保护协会
Subjects
N2O排放
不同管理方式
产量
小麦
氮肥
玉米
N2O排放
产量
氮肥
不同管理方式
玉米
小麦
Online AccessGet full text
ISSN2095-6819
2095-6819

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Abstract 通过华北小麦和玉米田已发表文献分析，明确不同施氮量、氮肥基追比及氮素调控措施对土壤N2O排放和作物产量的影响。结果表明：高氮水平下减少氮肥用量并调整基追比有助于减少土壤N2O排放；添加硝化抑制剂双氰胺（DCD）对小麦和玉米产量的提高和土壤N2O的减排效果均较好。兼顾华北粮田N20减排和作物产量，小麦季推荐合理施氮量167-174kg·hm-2基追比1：1，添加DCD，土壤N2O总排放量为0-31kg·hm-2，籽粒产量6200kg·hm-2以上；玉米季推荐合理施氮量177-181kg·hm-2基追比2：3—1：2，添加DCD，土壤Nz0总排放量1．70kg·hm-2，籽粒产量9000kg·hm-2以上。
AbstractList 通过华北小麦和玉米田已发表文献分析，明确不同施氮量、氮肥基追比及氮素调控措施对土壤N2O排放和作物产量的影响。结果表明：高氮水平下减少氮肥用量并调整基追比有助于减少土壤N2O排放；添加硝化抑制剂双氰胺（DCD）对小麦和玉米产量的提高和土壤N2O的减排效果均较好。兼顾华北粮田N2O减排和作物产量，小麦季推荐合理施氮量167~174 kg·hm-2，基追比1∶1，添加DCD，土壤N2O总排放量为0.31 kg·hm-2，籽粒产量6 200 kg·hm-2以上；玉米季推荐合理施氮量177~181 kg·hm-2，基追比2∶3~1∶2，添加DCD，土壤N2O总排放量1.70 kg·hm-2，籽粒产量9 000 kg·hm-2以上。
通过华北小麦和玉米田已发表文献分析，明确不同施氮量、氮肥基追比及氮素调控措施对土壤N2O排放和作物产量的影响。结果表明：高氮水平下减少氮肥用量并调整基追比有助于减少土壤N2O排放；添加硝化抑制剂双氰胺（DCD）对小麦和玉米产量的提高和土壤N2O的减排效果均较好。兼顾华北粮田N20减排和作物产量，小麦季推荐合理施氮量167-174kg·hm-2基追比1：1，添加DCD，土壤N2O总排放量为0-31kg·hm-2，籽粒产量6200kg·hm-2以上；玉米季推荐合理施氮量177-181kg·hm-2基追比2：3—1：2，添加DCD，土壤Nz0总排放量1．70kg·hm-2，籽粒产量9000kg·hm-2以上。
Author 舒晓晓 王艳群 李迎春 彭正萍 魏珊珊 石新丽 赵延伟
AuthorAffiliation 河北农业大学资源与环境学院,河北省农田生态环境重点实验室,河北保定071001 中国农业科学院农业环境与可持续发展研究所,北京100081
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Discipline Agriculture
DocumentTitleAlternate Effects of Different Nitrogen Management Methods on Soil N2O Emission and Crop Yield of Grain Field in North China
EISSN 2095-6819
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Issue 4
Keywords N2O排放
产量
氮肥
不同管理方式
玉米
小麦
Language Chinese
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Notes SHU Xiao-xiao, WANG Yan-qun, LI Ying-ehun, PENG Zheng-ping, WEI Shan-shan, SHI Xin-li, ZHAO Yan-wei （1.College of Resources and Environmental Sciences/Key Laboratory for Farmland Eco-Environment of Hebei, Agricultural University of Hebei, Baoding 071001, China;2.Institute of Environment and Sustainable Development in Agriculture, Chinese Academy of Agricultural Sciences, Beijing 100081, China）
wheat; maize; nitrogen fertilizer; different management methods; N20 emission; crop yield
12-1437/S
Through the published literature analysis of wheat and maize field in North China, this study investigated the effects of different management methods of nitrogen（ N ） application rates, basal/topdressing ratios and N control measures on the soil N20 emission and crop yield. The results showed that reducing N application rates and adjusting basal/top dressing ratios under high N level could decrease soil N2O emissions. Besides, N application with nitrification inhibitor dicyandiamide （DCD） was an effective practice for wheat
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中国农业生态环境保护协会
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Snippet 通过华北小麦和玉米田已发表文献分析，明确不同施氮量、氮肥基追比及氮素调控措施对土壤N2O排放和作物产量的影响。结果表明：高氮水平下减少氮肥用量并调整基追比有助于减少...
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SubjectTerms N2O排放
不同管理方式
产量
小麦
氮肥
玉米
Title 不同氮肥管理方式对华北粮田N2O排放和作物产量的影响分析
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