A method of soil testing and formula fertilization based on grey relational analysis

A technology of gray relational analysis, soil testing and formula fertilization, which is applied in the direction of instruments, calculations, electrical digital data processing, etc., can solve problems such as time-consuming and manpower-consuming, inaccurate calculation results, and inability to be universal among regions

Active Publication Date: 2019-06-21
YUNNAN HANZHE TECHN CO LTD
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Problems solved by technology

[0004] The purpose of the present invention is to provide a soil testing formula fertilization method based on gray relational analysis, aiming to solve the problems that the exi

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  • A method of soil testing and formula fertilization based on grey relational analysis
  • A method of soil testing and formula fertilization based on grey relational analysis
  • A method of soil testing and formula fertilization based on grey relational analysis

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[0106]In order to make the object, technical solution and advantages of the present invention more clear, the present invention will be further described in detail below in conjunction with the examples. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0107] The present invention uses the multi-factor fertilizer effect function method to estimate the yield and fertilization amount, and uses the gray relational analysis model to scientifically select the fertilizer effect function, which not only meets the accuracy requirements, but also strengthens the versatility of the fertilizer effect model. Experiments are being carried out in one area, which fully excavates the hidden connection between field test data and soil nutrient data, solves the long-standing problem of regional limitations of multi-factor fertilizer efficiency models, and greatly reduces the initial workload...

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Abstract

The invention discloses a soil testing and formula fertilization method based on grey correlation analysis. The soil testing and formula fertilization method based on grey correlation analysis adopts a multi-factor fertilizer effect function method to estimate yield and the amount of applied fertilizer, and uses a grey correlation analysis model to choose a fertilizer effect function; and the geometrical similarity between a reference sequence and comparative sequences formed by corresponding data in a model library is calculated, that is, the degree of grey correlation between the reference sequence and each comparative sequence is calculated. The soil testing and formula fertilization method based on grey correlation analysis not only meets the requirement on precision, but also enhances the universality of a fertilizer effect model, an experiment does not need to be carried out for a certain region anymore, the implicit association between field experiment data and soil nutrient data is sufficiently excavated, the long-lasting regional limitation problem of a multi-factor fertilizer effect model is solved, preliminary workload required by soil testing and formula fertilization is greatly decreased, the requirement of agricultural production practice is met, and a new solution is provided for the soil testing and formula fertilization technique.

Description

technical field [0001] The invention belongs to the technical field of soil testing formula fertilization, in particular to a soil testing formula fertilization method based on gray relational analysis. Background technique [0002] Soil testing formula fertilization technology is based on soil test and fertilizer field test, according to the law of crop fertilizer demand, soil fertilizer supply performance and fertilizer effect, and on the basis of rational application of organic fertilizers, it proposes nitrogen, phosphorus, potassium and medium and trace elements. The amount of fertilizer applied, the time of fertilization and the method of application. Among them, the selection of the fertilizer effect model plays an important role in the scientificity of soil testing formula fertilization, and the accuracy and reliability of the calculation results will directly affect whether the soil testing formula fertilization technology can improve the utilization rate of fertiliz...

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Application Information

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IPC IPC(8): G06F17/50
CPCG16Z99/00
Inventor 罗元金邓昌军童江云林迪李锐赵明瑞王琳徐宁陈丽莉田昌李超力罗大鹏
Owner YUNNAN HANZHE TECHN CO LTD
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