农业用地需求预测公式

农业用地需求预测公式

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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

农业用地需求预测公式

                      

                     

式中,P为某种农产品需求总量;A为该农产品的自给性需求量;r为该农产品连续3年的商品率的加权平均值。为毛用地面积;为净用地面积;R为田间固定沟渠占地系数(对于大田作物),或田间固定沟渠和苗圃占地系数(对于果园),或田间固定沟渠和温室,温床等附着物的占地系数(对于蔬菜)。

参考文献:

    黄以柱:黄河故道区域土地利用的合理结构。地理学报,1996,512

How to cite

《资源环境数学模型手册》 (2018). 农业用地需求预测公式, Model Item, OpenGMS, https://geomodeling.njnu.edu.cn/modelItem/21db51fa-ef7a-4151-b0c2-937f5fbb237e
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Contributor

contributed at 2018-12-04

Authorship

Affiliation:  
岳天祥编著
Email:  
yue@lreis.ac.cn
Homepage:  
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