土地等价系数概念模型

土地等价系数概念模型

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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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Application-focused categoriesNatural-perspectiveLand regions
Application-focused categoriesHuman-perspectiveEconomic activities

Detailed Description

Chinese {{currentDetailLanguage}} Chinese

土地等价系数概念模型

(1)  土地等价比率(LER):它是一个被广泛用于比较

混种作物与单一作物的生产力的一个指数:

 

 

式中,  分别指作物成分AB 的相对产量与

土地等价比率; 为间作作物AB 的产量, 

它们的最大单一作物产量。

2)土地等价系数():

    土地等价系数是指各间作作物的土地等价系数的乘积,可

表示为:

                  

 

参考文献

Adetiloye P O, Ezedinma F O C, Okigbo BN:源于评价从

简单到复杂的作物混种所引起的竞争与高产相互作用的一个土地

等价系数概念。Ecological Modelling1983,19

How to Cite

《资源环境数学模型手册》 (2018). 土地等价系数概念模型, Model Item, OpenGMS, https://geomodeling.njnu.edu.cn/modelItem/3d2201ae-42b2-4491-beff-99c611d0d85f
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Contributor

contributed at 2018-12-04

Authorship

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

History

Last modifier : 
YY
Last modify time : 
2020-11-03
Modify times : 
View History

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