Research advances in crop yield estimation models based on remote sensing

Xu Xingang; Wu Bingfang; Meng Jihua; Li Qiangzi; Huang Wenjiang; Liu Liangyun; Wang Jihua

Volume 24 Issue 2

Feb. 2008

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Transactions of the Chinese Society of Agricultural Engineering (Transactions of the CSAE) > 2008 > 24(2): .

Xu Xingang, Wu Bingfang, Meng Jihua, Li Qiangzi, Huang Wenjiang, Liu Liangyun, Wang Jihua. Research advances in crop yield estimation models based on remote sensing[J]. Transactions of the Chinese Society of Agricultural Engineering (Transactions of the CSAE), 2008, 24(2).

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Research advances in crop yield estimation models based on remote sensing

1.
National Engineering Research Center for Information Technology in Agriculture, Beijing 100097, China
2.
Institute of Remote Sensing Applications, Chinese Academy of Sciences, Beijing 100101, China

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Published Date: February 28, 2008

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Abstract

Abstract

The estimation of crop yield per unit area is not only the key technology, but also one of the difficulties for crop production estimation. Remote sensing is playing an increasingly important role in crop yield estimation with its macroscopical, real-time and dynamical dominance. As a result, it will become necessary to use the remote sensing information to construct crop yield models for crop yield estimation on large area scale. On the basis of summarizing the researches of crop yield estimating models at home and abroad, the paper divided crop yield models into four patterns, and expatiated on them respectively. Then, the paper analyzed the diversiform selective tendency of remote sensing data sources, which should extremely meet the need of constructing crop yield models. How to effectively valid the estimating precision of crop yield models was also discussed. Finally, the paper made the forecast for the development tendency of crop yield models.
- crop yield,
- remote sensing,
- estimating models

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