Optimisation and Modelling of Soil Pulverisation Index Using Response Surface Methodology for Disk Harrow Under Different Operational Conditions

IF 16.4 1区化学 Q1 CHEMISTRY, MULTIDISCIPLINARY

Accounts of Chemical Research Pub Date : 2024-06-01 DOI:10.2478/ata-2024-0011

A. J. Nassir, Marwan N. Ramadhan, Ali A. Alwan, Sadiq Muhsin

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Abstract

Abstract The study aimed to determine the optimal pulverisation index of soil for disk harrow by modelling. A mathematical model was developed using a Design-Expert software and response surface methodology. Experiments were carried out in silty loamy soil with three different levels of soil moisture content of 9.25%, 17.56%, and 22.32%, operating depths of 10 cm, 15 cm, and 20 cm, and operating speeds of 3.17, 4.85, and 5.47 km·h-1. The quadratic model proposed by the Design-Expert software was statistically significant (P <0.01), with a strong correlation relationship (R2 = 0.989) between actual and predicted soil pulverisation index values. The adequacy precision achieved at 41.84 showed the models‘ ability to navigate the design space. However, statistical analysis, using the t-test and P-value, showed the actual and predicted values have no significant differences in the pulverisation index of soil. The optimal soil pulverisation index (8.61 mm) was achieved with a desirability of 1.00, at a soil moisture content of 14.43%, an operating depth of 11.64 cm, and a forward speed of 5.30 km·h-1. Model validation confirmed acceptability (R2 = 0.974) and a 99% accuracy in predicting the soil pulverisation index.

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在不同操作条件下，利用响应面方法对圆盘耙的土壤粉碎指数进行优化和建模

摘要该研究旨在通过建模确定圆盘耙的最佳土壤粉碎指数。使用 Design-Expert 软件和响应面方法建立了一个数学模型。实验在淤泥质壤土中进行，土壤含水量分别为 9.25%、17.56% 和 22.32%，作业深度分别为 10 厘米、15 厘米和 20 厘米，作业速度分别为 3.17、4.85 和 5.47 km-h-1。Design-Expert 软件提出的二次方模型具有显著的统计学意义（P <0.01），实际和预测土壤粉碎指数值之间具有很强的相关关系（R2 = 0.989）。达到 41.84 的适当精度表明模型有能力驾驭设计空间。然而，使用 t 检验和 P 值进行的统计分析显示，土壤粉碎指数的实际值和预测值没有显著差异。在土壤含水量为 14.43%、工作深度为 11.64 厘米、前进速度为 5.30 公里/小时-1 的条件下，达到了最佳土壤粉碎指数（8.61 毫米），可取性为 1.00。模型验证确认了预测土壤粉碎指数的可接受性（R2 = 0.974）和 99% 的准确性。

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来源期刊

Accounts of Chemical Research 化学-化学综合

CiteScore

31.40

自引率

1.10%

发文量

312

审稿时长

2 months

期刊介绍： Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance. Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.