﻿ 敌敌畏在胡萝卜上残留值的相关性统计分析 Statistical Analysis of Correlation of Dichlorvos Residual Value on Carrots

Vol. 08  No. 10 ( 2019 ), Article ID: 32464 , 5 pages
10.12677/AAM.2019.810185

Statistical Analysis of Correlation of Dichlorvos Residual Value on Carrots

Yang Hua, Xiangqi Wu

School of Mathematics and Statistics, Changsha University of Science and Technology, Changsha Hunan

Received: Sep. 23rd, 2019; accepted: Oct. 4th, 2019; published: Oct. 11th, 2019

ABSTRACT

Based on the data obtained from the final residue test of dichlorvos in carrots and soil, the dynamic analysis model of dichlorvos’ residual value on carrots was established by statistical analysis method, which provided a scientific reference for the rational use of organophosphorus pesticides on vegetables.

Keywords:Pesticide, Degradation, Environmental Factor, Nonlinear Regression Model

1. 引言

2. 模型的设定与实证分析

2.1. 变量的选取及数据来源

2.2. 模型的构建

${Y}_{i}=aX+b{X}^{2}+c{X}^{3}+C$

Table 1. R2 value of each variable in Changsha

Table 2. R2 value of each variable in Shijiazhuang

Table 3. Changsha’s curve regression result

Table 4. Shijiazhuang’s curve regression result

Figure 1. Fitting map of the impact of rainfall on pesticide residues in Changsha

Figure 2. Fitting map of the impact of rainfall on pesticide residues in Shijiazhuang

${Y}_{i}=0.509X-0.407{X}^{2}+0.067{X}^{3}+0.007$

3. 结果与分析

Statistical Analysis of Correlation of Dichlorvos Residual Value on Carrots[J]. 应用数学进展, 2019, 08(10): 1587-1591. https://doi.org/10.12677/AAM.2019.810185

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