冬小麦生产力估算模型

冬小麦生产力估算模型

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contributed at 2018-12-04

Authorship

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

Earth System SubjectEarth Surface SystemAnthroposphere
Geography SubjectHuman GeographyAgricultural Geography

Detailed Description

冬小麦生产力估算模型

(1) 小麦的光温生产潜力:

   

(2) 养分与作物生产力:

 土壤肥力与基础生产力的关系式:

         

式中,NP分别为土壤中的碱解氮、速效磷含量,单位为μg/gTF为基础生产力,单位为

  N肥投入量与生产力的关系曲线方程:

       

式中,YN为由N肥决定的小麦生产力()a为由土壤肥力所形成的基础生产力();A为在气候、土壤、土壤肥力条件下,在最适化肥投入时最大生产力,即土地生产力();t为纯氮投入量();c为参数。

参考文献:

    吴连海,韩湘玲:冬小麦生产力估算方法研究。自然资源学报,1991,61

How to cite

《资源环境数学模型手册》 (2018). 冬小麦生产力估算模型, Model Item, OpenGMS, https://geomodeling.njnu.edu.cn/modelItem/6774a623-0b68-4fd0-835b-6e75facdf087
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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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