豫南一季中稻生育期气象因子与产量及其构成要素相关性分析 |
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引用本文: | 赵 辉,吴 骞. 豫南一季中稻生育期气象因子与产量及其构成要素相关性分析[J]. 气象与环境科学, 2011, 34(4): 68-71 |
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作者姓名: | 赵 辉 吴 骞 |
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作者单位: | 中国气象局·河南省农业气象保障与应用技术重点实验室,郑州450003 |
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基金项目: | 国家自然科学基金项目“基于作物模型的华北地区旱稻十旱风险评估”,公益性行业(气象)科研专项“淮河流域主要农作物旱涝损失精细化评估技术” |
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摘 要: | 以信阳国家一级农业气象试验站1981-2009年29a气象资料以及水稻观测资料为基础,利用SPSS统计分析软件.建立豫南一季中稻生育期旬平均气温、最低气温、降水量以及日照时数与空壳率、枇各率、千粒重以及地段1m2产量之闻的统计回归关系。结果表明:1)一季中稻的空壳率随着6月中旬和8月中旬的日照时数的减少而增大,随着8月...
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关 键 词: | 水稻生育期 气象因子 产量 产量因素 影响 |
Correlation Analysis of Paddy Rice Growth Meteorological Factor, Yield and Element in Southern Henan |
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Abstract: | Based on the 29 years of weather data during 1981-2009 and paddy rice observational data of Xinyang national first level of agro-meteorological station, using SPSS statistical analysis software, we established statistical regression relationship between meteorological factor such as ten-days average temperature, minimum temperature, precipitation and sunshine hours and the shell rate, unfilled grain rate, 1000-grain weight and 1 m2 yield. The results are as follows. 1 ) The paddy rice shell rates in a season increase with sunshine hours reduction in mid-June and mid-August, and increase with precipitation increase in late August. 2) The unfilled grain rate decrease with precipitation increase in mid-August, and increase with precipitation increase in late August, and increase with minimum temperature decrease in late August. 3) The 1000-grain weight increase with precipitation reduction in milky stage, and increase with sunshine hours increase. 4) The 1 m2 yield increase with precipitation reduction in mid-July, and increase with average temperature in early September and sunshine hours increase. |
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Keywords: | paddy rice growing period meteorological factor output output factor effect |
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