二代残虫造成的皮棉经济损失L2模型

二代残虫造成的皮棉经济损失L2模型

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contributed at 2018-12-04

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Affiliation:  
岳天祥编著
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yue@lreis.ac.cn
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Geography SubjectPhysical GeographyEcosystem

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二代残虫造成的皮棉经济损失L2模型

 

式中,M对于高、中、低肥力地分别取值为19128k=D/100pp=1.6D=1.0759E2E2为二代卵量,D为被害蕾数。

 

参考文献

盛承发,丁岩钦,马世骏:华北棉区药剂防治二代棉铃虫经济生态学效益分析。生态学报,1983,3(1)

How to cite

《资源环境数学模型手册》 (2018). 二代残虫造成的皮棉经济损失L2模型, Model Item, OpenGMS, https://geomodeling.njnu.edu.cn/modelItem/19bc39c4-5731-4835-80d2-6e9540e2bc1f
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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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Is authorship not correct? Feed back

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