农作物种植密度与小气候关系式

农作物种植密度与小气候关系式

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Initial contribute: 2018-12-04

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Affiliation:  
岳天祥编著
Email:  
yue@lreis.ac.cn
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Method-focused categoriesData-perspectiveGeostatistical analysis
Method-focused categoriesProcess-perspectivePhysical process calculation
Method-focused categoriesProcess-perspectiveHuman-activity calculation

Model Description

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农作物种植密度与小气候关系式

(1)  密度与光照:

      式中,为透光率;N为种植密度;AB均为决定于作物品种、发育阶段和农业技术措施的常数。

(2)     密度与温度:

       式中, T分别代表在某一已知种植密度和任意种植密度N下的作物地中的气温或土温;C为一个决定作物品种、发育阶段、农业技术措施、地理条件和季节因素的常数。

(3)     密度与湿度:

      式中,Wr为在种植密度为N时作物地中的土壤湿度和空气相对湿度;为裸地的相应湿度;ab为决定于作物品种、发育阶段、农业技术措施、地理条件和季节等因素的参数。

(4)     密度与风速:

      式中,u为作物地中的风速;N为种植密度;为开旷地方或植株上方某一定高度上的风速;f为决定于植物品种、发育情况、测定的高度及农田中测定点位置的常数。

(5)     密度与产量:

式中,M为在收获时整个植物的干重量(减去由于无机养料得出来的而非光合作用制造出来的氮和灰);为在各个生长期间脱落的植物部分的干重量; 分别为在各个生长期间光合作用的平均强度和进行光合作用的平均叶面积;分别为在相应期间内呼吸作用的平均强度和植物呼吸的面积;分别表示在各个生长期间光合作用和呼吸作用的持续时间。

参考文献

傅抱璞:农作物种植密度与小气候。地理学报,1964,34

How to Cite

《资源环境数学模型手册》 (2018). 农作物种植密度与小气候关系式, Model Item, OpenGMS, https://geomodeling.njnu.edu.cn/modelItem/a6050253-3623-4298-b84a-87fa5074c6de
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Last modifier : 
wzh
Last modify time : 
2020-11-06
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Contributor

Initial contribute: 2018-12-04

Co-contributor(s)

Authorship

Affiliation:  
岳天祥编著
Email:  
yue@lreis.ac.cn
Homepage:  
View
Is authorship not correct? Feedback

History

Last modifier : 
wzh
Last modify time : 
2020-11-06
Modify times : 
View History

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