安徽省稻米气候品质评价方法
S162.1; 为科学评价区域稻米气候品质提供技术支撑,该研究基于2008—2018年安徽省区域性试验稻米品质资料及对应站点气象数据,采用数理统计方法,明确了稻米品质形成关键期和最佳温度,建立了中籼和中粳稻米气候品质评价模型,并利用2018年分期播种试验稻米品质资料对模型进行验证.结果表明:中籼和中粳稻米品质形成关键期分别为齐穗后33 d和36 d,稻米品质形成的适宜温度分别为24.8℃和23.0℃.将稻米气候品质划分为"特优""优""良好""一般"4个等级,对应中籼稻米气候品质指数(IACQ)范围分别为:IACQ...
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| Published in | 农业工程学报 Vol. 38; no. 19; pp. 102 - 109 |
|---|---|
| Main Authors | , , , , , , |
| Format | Journal Article |
| Language | Chinese |
| Published |
安徽省农业气象中心,合肥 230031
01.10.2022
安徽省大气科学与卫星遥感重点实验室,合肥 230031%六安市气象局,六安 237000%安徽省农业科学院水稻研究所,合肥 230031%滁州市气象局,滁州 239000 |
| Subjects | |
| Online Access | Get full text |
| ISSN | 1002-6819 |
| DOI | 10.11975/j.issn.1002-6819.2022.19.012 |
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| Abstract | S162.1; 为科学评价区域稻米气候品质提供技术支撑,该研究基于2008—2018年安徽省区域性试验稻米品质资料及对应站点气象数据,采用数理统计方法,明确了稻米品质形成关键期和最佳温度,建立了中籼和中粳稻米气候品质评价模型,并利用2018年分期播种试验稻米品质资料对模型进行验证.结果表明:中籼和中粳稻米品质形成关键期分别为齐穗后33 d和36 d,稻米品质形成的适宜温度分别为24.8℃和23.0℃.将稻米气候品质划分为"特优""优""良好""一般"4个等级,对应中籼稻米气候品质指数(IACQ)范围分别为:IACQ≥3.40、3.09≤IACQ<3.40、2.73≤IACQ<3.09、IACQ<2.73,中粳稻米气候品质指数范围分别为:IACQ≥3.36、3.08≤IACQ<3.36、2.68≤IACQ<3.08、IACQ<2.68.经验证,与实际等级相比,模型计算得到的中籼和中粳稻米气候品质等级准确率均为80％.该研究建立的评价模型可用于中籼和中粳稻米的气候品质评价工作. |
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| AbstractList | S162.1; 为科学评价区域稻米气候品质提供技术支撑,该研究基于2008—2018年安徽省区域性试验稻米品质资料及对应站点气象数据,采用数理统计方法,明确了稻米品质形成关键期和最佳温度,建立了中籼和中粳稻米气候品质评价模型,并利用2018年分期播种试验稻米品质资料对模型进行验证.结果表明:中籼和中粳稻米品质形成关键期分别为齐穗后33 d和36 d,稻米品质形成的适宜温度分别为24.8℃和23.0℃.将稻米气候品质划分为"特优""优""良好""一般"4个等级,对应中籼稻米气候品质指数(IACQ)范围分别为:IACQ≥3.40、3.09≤IACQ<3.40、2.73≤IACQ<3.09、IACQ<2.73,中粳稻米气候品质指数范围分别为:IACQ≥3.36、3.08≤IACQ<3.36、2.68≤IACQ<3.08、IACQ<2.68.经验证,与实际等级相比,模型计算得到的中籼和中粳稻米气候品质等级准确率均为80％.该研究建立的评价模型可用于中籼和中粳稻米的气候品质评价工作. |
| Author | 占新春 岳伟 徐建鹏 郁凌华 陈曦 曹强 阮新民 |
| AuthorAffiliation | 安徽省农业气象中心,合肥 230031;安徽省大气科学与卫星遥感重点实验室,合肥 230031%六安市气象局,六安 237000%安徽省农业科学院水稻研究所,合肥 230031%滁州市气象局,滁州 239000 |
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| Author_FL | Cao Qiang Yu Linghua Yue Wei Xu Jianpeng Chen Xi Ruan Xinmin Zhan Xinchun |
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| Keywords | 温度 稻米品质 水稻 评价模型 农业 作物 |
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| Title | 安徽省稻米气候品质评价方法 |
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