土壤有机质与土壤养分平衡分析模型

土壤有机质与土壤养分平衡分析模型

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Initial contribute: 2018-12-04

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:  
岳天祥编著
:  
yue@lreis.ac.cn
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土壤有机质与土壤养分平衡分析模型

(1) 土壤有机质平衡模型:

土壤有机质平衡=

有机物年归还量×腐殖化系数-

耕层土壤有机质量×有机质年矿化率

(2) 土壤有机质动态模型:

式中,t为时间;为第t年后的土壤有机质含量;为开始时土壤有机质含量;k为土壤有机质矿化率;t年内由于人工归还有机物形成的土壤有机质含量;R为每年有机物归还量;U为有机物腐殖化系数;W为土重。

参考文献

庄恒扬,曹卫星,沈新平:麦-稻两熟集约生产土壤养分平衡与调控研究。生态学报,2000,20(5)

 

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《资源环境数学模型手册》 (2018). 土壤有机质与土壤养分平衡分析模型, Model Item, OpenGMS, https://geomodeling.njnu.edu.cn/modelItem/28ea1456-81aa-4b36-a9fd-c2c84c7a93c3
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Last modifier
zhengzhong
Last modify time
2020-10-31
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Contributor(s)

Initial contribute : 2018-12-04

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Authorship

:  
岳天祥编著
:  
yue@lreis.ac.cn
:  
View
Is authorship not correct? Feed back

History

Last modifier
zhengzhong
Last modify time
2020-10-31
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