人-粮-地关系的中环公式

人-粮-地关系的中环公式

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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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Earth System SubjectEarth Surface SystemAnthroposphere
Geography SubjectHuman GeographyAgricultural Geography

Detailed Description

--地关系的中环公式

                     

式中,为人口对粮食消费所需求的总量;为消费粮食的总人口;为单个人对粮食的消费量;为土地可能生产粮食的总量;为土地生产粮食的总面积;为单位土地面积生产的粮食量。

参考文献:

    巨仁,郭扶国:用人-地关系中环公式对固原县人口增长与粮食生产的分析。水土保持通报,1990,101

How to cite

《资源环境数学模型手册》 (2018). 人-粮-地关系的中环公式, Model Item, OpenGMS, https://geomodeling.njnu.edu.cn/modelItem/0c65fa95-878a-4ce9-a360-52b27836f398
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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? Feed back

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