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Method for predicting pH value of soil based on hydrothermal conditions

A soil and condition technology, applied in the field of soil pH prediction, can solve the problems that are difficult for non-professionals to understand, have many model parameters, complex models, etc., and achieve the effect of high model prediction accuracy, simple model prediction, and simple variables

Pending Publication Date: 2021-04-30
GUANGXI TEACHERS EDUCATION UNIV
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Problems solved by technology

[0006] However, the above-mentioned models all have the defects of many parameters, complex variables, and complex models, which are difficult for non-professionals to understand.

Method used

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  • Method for predicting pH value of soil based on hydrothermal conditions
  • Method for predicting pH value of soil based on hydrothermal conditions
  • Method for predicting pH value of soil based on hydrothermal conditions

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Embodiment 1

[0021]A method of predicting soil pH based on hydrothermal conditions, including the following steps:

[0022](1) Get the meteorometer number of the area to be tested to obtain daily historical meteorological data, the historical meteorological data including the annual average precipitation, ≥10 ° C annual average daily temperature.

[0023](2) Use the standard data of the standard meteorological station as the initial data of the model, and the model predicting the soil pH is as follows:

[0024]The model is:

[0025]

[0026]Wherein, Y is the soil pH, α, β, γ, δ is constant, T is ≥10 ° C annual average daily temperature, T unit is ° C, P is the annual average precipitation, the P unit is mm, the K is a region for many years soil The pH constant is a constant under hydrothermal conditions.

[0027]In the present embodiment, the annual average precipitation P is obtained: the annual water content refers to the accumulation of precipitation from 20 o'clock daily, the amount of precipitation is accumu...

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Abstract

The invention discloses a method for predicting the pH value of soil based on hydrothermal conditions, which comprises the following steps: (1) obtaining the weather station number of a region to be measured, and obtaining day-by-day historical meteorological data; and (2) using standard data of a standard weather station as initial data of the model to obtain the model for predicting the soil pH as follows: (shown in the description), wherein y is the soil pH, alpha, beta, gamma and delta are constants, T is the annual average accumulated temperature of more than or equal to 10 DEG C, T unit is DEG C, P is the annual average precipitation, andthe unit of P is mm. The method for predicting the pH value of soil based on the hydrothermal condition is based on historical data of a national standard meteorological station, is few in used parameters, simple in variable and simple and practical in model prediction, provides data guarantee for establishment of a regional plot big data model, and is high in model prediction precision.

Description

Technical field[0001]The present invention belongs to the field of soil pH prediction technology, and more particularly to a method of predicting soil pH based on hydrothermal conditions.Background technique[0002]In the terrestrial ecosystem, increasing precipitation can increase plant productivity, stimulate the consumption of nutrients needed for plant growth, and change the soil cationic library to bury acidic substance input. Soils of nitrogen, phosphorus, potassium adsorption and solution absorbent by pH, pH buffer capacity, organic matter and cation exchange capacity. Soil acidification is a form of soil degradation, which affects soil functions related to providing ecosystem services, such as water, food, and energy safety, biodiversity protection, and climate change mitigation. Tropical acid soil is a strong winding soil, since it exists in a tropical environment, the annual rainfall is large, and the temperature is high, affecting the effectiveness of nitrogen. Long-term fe...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06Q10/04G06Q10/06
CPCG06Q10/04G06Q10/067
Inventor 刘书田侯彦林冯鑫鑫贾书刚王铄今侯显达陆伶林珂宇黄梅赵戈
Owner GUANGXI TEACHERS EDUCATION UNIV
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