数字农科院2.0

Progress And Development On Biological Information Of Crop Phenotype Research Applied To Real-Time Variable-Rate Fertilization

文献类型： 外文期刊

作者： Shi, YY; Zhu, Y; Wang, XC; Sun, X; Ding, YF; Cao, WX; Hu, ZC

作者机构：

关键词： Remote-Sensing Information; Crop Phenotype; Precision Agriculture; Real-Time And Online; Variable-Rate Fertilization

期刊名称： PLANT METHODS

ISSN：

年卷期： 2020 年 16 卷 1 期

页码：

收录情况： JCR（2021版）

摘要： Background Variable-rate fertilization is crucial in the implementation of precision agriculture and for ensuring reasonable and efficient fertilizer application and nutrient management that is tailored to local conditions. The overall goal of these technologies is to maximize grain output and minimize fertilizer input and, thus, achieve the optimal input-output production ratio. As the main form of variable-rate fertilization, real-time variable-rate control technology adjusts fertilizer application according to the growth status and nutrient information of crops and, as such, its effective application relies on the stable and accurate acquisition of crop phenotypic information. Results Due to the relationship between crop phenotype and real-time fertilizer demand, phenotypic information has been increasingly applied in these contexts in recent years. Here, the establishment and characteristics of inversion models between crop phenotypic information and nutritional status are reviewed. The principles of real-time monitoring applications, the key technologies relating to crop phenotypic biological parameters, and the existing challenges for real-time variable-rate fertilization technology are also evaluated. Future research directions are then discussed in the specific context of the need for sustainable development of modern agriculture in China. Conclusion This paper provides a theoretical reference for the construction of scientific management technology systems aimed at reducing fertilizer application and maximizing output, and for the development of relevant technologies in the specific context of China.

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