水稻产量与产量变异系数模型

水稻产量与产量变异系数模型

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contributed at 2018-12-04

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Affiliation:  
岳天祥编著
Email:  
yue@lreis.ac.cn
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Classification(s)

Application-focused categoriesNatural-perspectiveLand regions
Application-focused categoriesHuman-perspectiveEconomic activities
Application-focused categoriesIntegrated-perspectiveRegional scale

Model Description

Chinese {{currentDetailLanguage}} Chinese

水稻产量与产量变异系数模型

(1) 产量Y模型:

                   

式中,Yt为产量的时间趋势项;Yw为产量的波动项。

(2) 产量变异系数Cv模型:

式中,为产量平均数;Yi为第i年产量;Yli为第i年趋势产量;n为年数。

参考文献:

   程延年:冀,豫,鲁,晋,辽的水稻产量与气候。自然资源,1992,6

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How to Cite

《资源环境数学模型手册》 (2018). 水稻产量与产量变异系数模型, Model Item, OpenGMS, https://geomodeling.njnu.edu.cn/modelItem/09f261ef-f031-413c-b3a7-cb98f72476fb
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Last modifier : 
wzh
Last modify time : 
2020-10-31
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Contributor(s)

Initial contribute: 2018-12-04

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Authorship

Affiliation:  
岳天祥编著
Email:  
yue@lreis.ac.cn
Homepage:  
View
Is authorship not correct? Feedback

History

Last modifier : 
wzh
Last modify time : 
2020-10-31
Modify times : 
View History

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