[1]陆小林,农柳蓬,陈利东.玉林市早稻空秕率与抽穗后气象条件的关系探析[J].气象研究与应用,2020,41(01):89-92.[doi:10.19849/j.cnki.CN45-1356/P.2020.1.18]
　Lu Xiaolin,Nong Liupeng,Chen Lidong.Study on the relationship between empty grain rate and meteorological conditions after heading of early rice in Yulin City[J].Journal of Meteorological Research and Application,2020,41(01):89-92.[doi:10.19849/j.cnki.CN45-1356/P.2020.1.18]
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玉林市早稻空秕率与抽穗后气象条件的关系探析()
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气象研究与应用[ISSN:1673-8411/CN:45-1356/P]

卷:
第41卷
期数:
2020年01期
页码:
89-92
栏目:
短论
出版日期:
2020-03-31

文章信息/Info

Title:
Study on the relationship between empty grain rate and meteorological conditions after heading of early rice in Yulin City
作者:
陆小林1;  农柳蓬2;  陈利东1
1. 玉林市气象局, 广西 玉林 537000;
2. 柳州市气象局, 广西 柳州 545000
Author(s):
Lu Xiaolin1;  Nong Liupeng2;  Chen Lidong1
1. Yulin Meteorological Service, Yulin Guangxi 537000;
2. Liuzhou Meteorological Service, Liuzhou Guangxi 545000
关键词:
空秕率; 气象因子; 降水量; 低温寡照; 高温热害
Keywords:
empty grain rate; meteorological factors; precipitation; low temperature and low illumination; high temperature and heat damage
分类号:
P42
DOI:
10.19849/j.cnki.CN45-1356/P.2020.1.18
摘要:
利用2008-2018年玉林市农业气象试验站定位稻田实验观测数据，对早稻空秕率与抽穗后各气象因子的关系进行了相关分析。结果表明，抽穗-乳熟期间的降水量是影响早稻结实率的最主要气象因子，强降水会显著增加空壳率；空秕率与抽穗后-成熟前10d ≥ 33℃的日最高气温日数成极显著正相关，与连续的低温寡照过程的日数成显著正相关。
Abstract:
Based on the data of rice field experiment in Yulin agricultural meteorological experimental station from 2008 to 2018, the relationship between empty grain rate and meteorological factors after heading was analyzed. The results showed that the precipitation during heading and milk ripening was the most important meteorological factor affecting the seed setting rate of early rice; heavy rainfall would significantly increase the empty shell rate. The emptying rate was extremely significantly positively correlated with the number of days that maximum daily temperature was higher than 33℃ after heading and 10 days before maturity, and also significantly positively correlated with the number of days that had continuous low temperature oligophotos.

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备注/Memo

备注/Memo:
收稿日期:2020-01-09。
基金项目:广西科技重点研发计划项目"基于"3s"技术的水稻高温热害预测和灾害区划技术研究与示范"（桂科AB17195037）
作者简介:陆小林(1968-),女,广西玉林人,工程师,主要从事农业气象工作。E-mail:Mglxl@126.com
更新日期/Last Update: 1900-01-01