|本期目录/Table of Contents|

[1]陈旭,沈士博,赖上坤,等.大气二氧化碳体积分数、氮肥、移栽密度对汕优63稻米矿质元素的影响——FACE研究[J].江苏农业科学,2016,44(02):94-98.
 Chen Xu,et al.Effects of volumetric fraction of atmospheric carbon dioxide, nitrogen fertilizer and transplanting density on mineral elements of rice “Shanyou 63” —FACE study[J].Jiangsu Agricultural Sciences,2016,44(02):94-98.
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大气二氧化碳体积分数、氮肥、移栽密度对
汕优63稻米矿质元素的影响——FACE研究
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《江苏农业科学》[ISSN:1002-1302/CN:32-1214/S]

卷:
第44卷
期数:
2016年02期
页码:
94-98
栏目:
遗传育种与耕作栽培
出版日期:
2016-02-25

文章信息/Info

Title:
Effects of volumetric fraction of atmospheric carbon dioxide, nitrogen fertilizer and transplanting density on mineral elements of rice “Shanyou 63” —FACE study
作者:
陈旭1 沈士博1 赖上坤1 朱建国2 王余龙1
1.扬州大学江苏省作物遗传生理国家重点实验室培育点/粮食作物现代产业技术协同创新中心,江苏扬州 225009;
2.中国科学院南京土壤研究所土壤与农业可持续发展国家重点实验室,江苏南京 210008
Author(s):
Chen Xuet al
关键词:
汕优63大气CO2浓度FACE矿质元素氮肥密度
Keywords:
-
分类号:
S511.01
DOI:
-
文献标志码:
A
摘要:
作为光合作用的底物,大气二氧化碳(CO2)体积分数升高可促进水稻生长发育,但对稻米矿质元素体积分数的影响及其与栽培条件的关系尚不明确。2011年,利用中国稻田开放式空气CO2浓度增高(free air CO2 enrichment,FACE)系统平台,以敏感水稻品种汕优63为供试材料,二氧化碳设置环境CO2浓度、高CO2浓度(增加200 μmol/mol),施氮量设置低氮(15 g/m2)、高氮(25 g/m2),移栽密度设置低密度(16穴/m2)、中密度(24穴/m2)、高密度(36穴/m2),研究不同栽培条件下大气CO2浓度升高对杂交稻成熟稻米矿质元素浓度的影响。结果表明,大气CO2浓度增高200 μmol/mol 使成熟稻米的钾、镁浓度平均值分别下降9.4%、7.0%,均达显著或极显著水平;对稻米中钙、钠、铜、铁、锰、锌浓度的影响均未达显著水平。稻米元素浓度对大气CO2浓度升高的响应,在不同施氮水平和移栽密度条件下的趋势基本一致,表现在二氧化碳处理、施氮量、移栽密度对稻米大量元素、微量元素浓度多不存在互作效应。
Abstract:
-

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2015-09-14
基金项目:国家自然科学基金(编号:31171460、31071359);江苏省高校自然科学重大基础研究项目(编号:11KJA210003);江苏省研究生科研创新计划(编号:CXLX12_0919)。
作者简介:陈旭(1988—),男,江苏常州人,硕士研究生,主要从事水稻栽培生理研究。E-mail:cxlxbaby@126.com。
通信作者:王余龙,教授,主要从事作物栽培生理生态研究。E-mail:ylwang@yzu.edu.cn。
更新日期/Last Update: 2016-02-25