闽西北霜期时空变化对烤烟移栽期的影响

杨希; 杨可辉; 卜银军; 李仁忠

doi:10.13496/j.issn.1007-5119.2018.02.004

闽西北霜期时空变化对烤烟移栽期的影响

1. 福建省三明市气象局, 福建三明 365000;
2. 福建省烟草公司三明市公司, 福建三明 365000

详细信息

作者简介:
杨希(1982-),男,工程师,主要从事专业气象服务工作。E-mail:37314820@qq.com

通讯作者:
李仁忠,E-mail:64929567@qq.com

中图分类号: S572.01
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出版历程
- 收稿日期: 2017-12-06
- 修回日期: 2018-02-13
- 网络出版日期: 2023-11-30
- 刊出日期: 2018-04-27

Effect of Frost Change on Transplanting Time of Flue-cured Tobacco in Northwest Fujian

1. Sanming Meteorological Bureau of Fujian Province, Sanming, Fujian 365000, China;
2. Sanming Tobacco Company of Fujian Province, Sanming, Fujian 365000, China

摘要

摘要: 利用闽西北11个县近37年1—4月气象数据，采用现代气候统计诊断方法分析闽西北烤烟移栽期前后霜期时空分布特征和突变趋势，为合理安排烤烟移栽期提供基本的气候参考。结果表明：（1）不同区域霜日、不同程度霜冻日均呈现缓慢减少趋势，西北部霜日明显多于东南部，3月上旬仍可能出现大范围霜日；（2）终霜日呈现缓慢提前趋势，各县平均终霜日为2月11日至3月8日，均迟于烤烟移栽期。（3）M-K检验表明，霜日的长期变化趋势为减少趋势，虽存在3个时段的突变期，但未改变其减少趋势。综上可知，霜日减少、终霜日提前为适当提前烤烟移栽期提供了较好的参考依据，西北部提前移栽期应适当谨慎，东南部移栽期可适当前移，但移栽过程中仍应通过地膜覆盖、适度深栽、营养土移栽等方式保护烟株免受霜冻危害。
- 烤烟 /
- 移栽期 /
- 霜 /
- 气候倾向率 /
- Mann-Kendall检验
Abstract: Using the meteorological data from January to April of 11 counties in northwest Fujian in the past 37 years, temporal and spatial distribution characteristics and change patterns of frost during flue-cured tobacco transplanting period in northwest Fujian were analyzed with the modern climatic statistical diagnostic tools, aiming to provide reference for proper transplanting time of flue-cured tobacco.The results showed that:(1) Frost days in different regions and frost injury days in different degrees showed a slowly decreasing trend, and frost days of northwest were significantly more than southeast, large range of frost may still occur in early March.(2) Last frost date showed a slowly advancing trend, and the average last frost date was between February 11 and March 08, later than flue-cured tobacco transplanting time.(3) M-K test showed that the long-term change trend of frost days was a decreasing trend.Although there were 3 periods of sudden changes, they did not change the decreasing trend.In summary, this work provides a good basis for advancing the transplanting time of flue-cured tobacco properly, based on that frost days are becoming less and last frost date is advancing.The northwest should be appropriately cautious on advancing the transplanting time, while the southeast can advance properly.The tobacco plants however should be protected from frost damage by the way of mulching, moderate deep planting and vegetative soil transplanting.
- flue-cured tobacco /
- transplanting time /
- frost /
- climate tendency /
- Mann-Kendall test

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