|本期目录/Table of Contents|

[1]商兆堂,张旭晖,商舜,等.江苏省冬小麦生产潜力气候变化趋势评估[J].江苏农业科学,2018,46(12):245-249.
 Shang Zhaotang,et al.Evaluation of climate change trend of winter wheat production potential in Jiangsu Province[J].Jiangsu Agricultural Sciences,2018,46(12):245-249.
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《江苏农业科学》[ISSN:1002-1302/CN:32-1214/S]

卷:
第46卷
期数:
2018年第12期
页码:
245-249
栏目:
资源与环境
出版日期:
2018-06-20

文章信息/Info

Title:
Evaluation of climate change trend of winter wheat production potential in Jiangsu Province
作者:
商兆堂1 张旭晖1 商舜2 吴静3
1.江苏省气象局,江苏南京 210009; 2.国家海洋环境预报中心,北京 100081; 3.上海海洋大学,上海 201300
Author(s):
Shang Zhaotanget al
关键词:
冬小麦生产潜力气候变化评估粮食安全
Keywords:
-
分类号:
S162.5+3
DOI:
-
文献标志码:
A
摘要:
气候变化背景下粮食安全问题受到世界各国政府的高度重视,作为主要粮食作物之一的冬小麦,随着气候变化其脆弱性增加,给粮食安全带来了隐患。为研究处于我国黄淮和长江冬小麦主产区的江苏省冬小麦生产潜力随气候变化的趋势,以江苏省域内气象部门观测的气象和冬小麦生育期资料为基础,利用光温经验模型进行数值模拟分析。结果表明,随着气候变化,以江苏冬小麦目前生产水平下的光能利用率为3%计算,江苏冬小麦单产以每年 8.84 kg/hm2 的速度下降,引起脆弱性增加。小麦生产潜力的减少主要发生在营养生长阶段,生殖生长阶段生产潜力略有增加,即不利于形成足穗,但利于形成大穗。因此,从栽培技术研究方向上要改变以往以分蘖成穗为主的思维,可以考虑增加基本苗,增加主茎穗比例,保障穗数年际间的相对稳定,实现高产优质。
Abstract:
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备注/Memo

备注/Memo:
收稿日期:2016-12-23
基金项目:江苏省气象局2016年重点业务项目(编号:20161122)。
作者简介:商兆堂(1961—),男,江苏盐城人,博士,研究员,高级工程师,主要从事应用气象业务研究与管理工作。Tel:(025)83287054;E-mail:zhaotangshangchina@126.com。
更新日期/Last Update: 2018-06-20