| 庄浪县梯田作物产量与降水量关系分析研究 |
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| 引用本文： | 师伟,刘秀花,李进.庄浪县梯田作物产量与降水量关系分析研究[J].地下水,2006,28(4):7-8,65. |
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| 作者姓名： | 师伟 刘秀花 李进 |
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| 作者单位： | 长安大学环境科学与工程学院,陕西,西安,710054 |
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| 摘 要： | 本文通过GM(1,1)灰色模型将庄浪县作物产量分解为趋势产量、气象产量,并对庄浪县土豆、小麦作物的气象产量与降水量进行了相关性分析.研究结果表明,在1998年以前土豆和小麦的气象产量与降水量的相关性明显,相关系数分别为0.435和0.618,说明了小麦需水量高于土豆,该区更适合种植土豆作物,而从1998年该县完全梯田化后这种相关性就逐渐弱化了.
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| 关 键 词： | 模型 梯田作物 气象产量 |
| 文章编号： | 1004-1184（2006）04-0007-02 |
| 收稿时间： | 2006-05-09 |
| 修稿时间： | 2006-05-09 |
Analysis and Study on Relationship between Crop Yield and precipitation of the Terrace in Zhuanglang County |
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| SHI Wei,LIU Xiuhua,LI Jin.Analysis and Study on Relationship between Crop Yield and precipitation of the Terrace in Zhuanglang County[J].Groundwater,2006,28(4):7-8,65. |
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| Authors: | SHI Wei LIU Xiuhua LI Jin |
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| Abstract: | The crops yield is divided into trend and weather outputs according to GM(1,1) model in Zhuanglang County.The article also analyzes the relativity between weather output and precipitation of potato and wheat.The results show that the relativity is very obvious before 1998,the relative coefficient separately is 0.435 and 0.618,which explains the water requirement of wheat is more than potato,so it is better for planting potato in the area.But since 1998,the relativity is gradually lower after totally terraced of the field in the county. |
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| Keywords: | GM(1 1) |
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