| 长沙地区早稻播种气候条件分析及服务 |
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| 引用本文： | 章竹青,邱庆栋,彭梦霜,陈朝晖.长沙地区早稻播种气候条件分析及服务[J].安徽农业科学,2012,40(23):11763-11764,11790. |
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| 作者姓名： | 章竹青 邱庆栋 彭梦霜 陈朝晖 |
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| 作者单位： | 湖南省长沙市气象局,湖南长沙,410205 |
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| 摘 要： | 目的]研究长沙地区早稻播种气候条件及农业气象服务。方法]利用长沙市1910～2011年气候资料,采用统计分析方法,对长沙地区早稻播种气候条件进行了分析,并根据早稻播种农业气象指标,确定该地区早稻播种期,揭示早稻播种育秧与气候条件的关系。结果]长沙市日平均气温稳定通过10℃初日出现时段以3月26～31日最多,其次为3月16～20日,再次为3月21～25日;该地区早稻播种期可分为3批进行:薄膜覆盖育秧和旱育秧可在春分边播种;水育秧大面积育秧可在春分后抢住冷尾暖头下泥;油菜田、草子留种田可在4月初抢住冷尾暖头播种。结论]该研究为长沙地区早稻播种提供科学理论依据。
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| 关 键 词： | 早稻播种 气候条件 分析 服务 长沙地区 |
Analysis on the Climate Conditions and Services of Early Rice Planting in Changsha Area |
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| Institution: | ZHANG Zhu-qing et al(Changsha Meteorological Bureau of Hunan Province,Changsha,Hunan 410205) |
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| Abstract: | Objective] To study the climate conditions and agriculture meteorological services of early rice planting in Changsha area.Method] Using the climatological data from 1910 to 2011 in Changsha City and adopting the method of statistical analysis,the climate conditions of early rice planting in Changsha area were analyzed;the planting period of early rice was determined by the agro-meteorological indicators of early rice planting,the relationship between early rice planting and climatic conditions has been revealed.Result] The period of the first date for the daily temperature to steadily pass 10 ℃ was the most on March 26 to 31,followed by March 16 to 20 and March 21 to 25.The early rice planting period can be divided into three batches: the film-covered seedling and dry seedbed can be planted around vernal equinox;large-area water sprout should be cultivated after vernal equinox before the temperature gets warming;the rape fields and grass stay in farming can be planted in April when the weather is neither too hot nor too cold.Conclusion] The study provides scientific basis for the sowing of eary rice in Changsha. |
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| Keywords: | Early rice planting Climate condition Analysis Service Changsha |
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