杂草的生态经济阈值模型

杂草的生态经济阈值模型

  52

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

Classification(s)

Geography SubjectPhysical GeographyEcosystem

Detailed Description

杂草的生态经济阈值模型

式中,y玉米产量允许损失率;P为作物的产量水平;V为作物的产品价格;E为除草效果;F为马唐在阈值水平上创造的价值。

 

 

参考文献

    吕德滋,白素娥,李香菊等:升马唐种群生态及其田间密度调控指标的研究。植物生态学与地植物学学报,1995191

How to cite

《资源环境数学模型手册》 (2018). 杂草的生态经济阈值模型, Model Item, OpenGMS, https://geomodeling.njnu.edu.cn/modelItem/ba45d7a1-a4af-4470-8099-df9e6a80b2e7
Copy

QR Code

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

QR Code

You can link related {{typeName}} from your personal space to this model item, or you can create a new {{typeName.toLowerCase()}}.

Model Content & Service

These authorship information will be submitted to the contributor to review.