Gompertz nonlinear model with asymmetric error to describe the dry matter accumulation of the bean cultivar bolinha

Authors

Keywords:

Asymmetry, Growth Curve, Bean, Outlier

Abstract

The analysis of dry matter accumulation during the growth of the common bean plant is of significant relevance as it serves as a critical tool for guiding appropriate management practices and identifying potential factors affecting plant development. Proper modeling of this growth can provide valuable insights, facilitating the optimization of crop management. This study explores alternatives for detecting outliers, including asymmetric distributions such as the normal and t-Student distributions. The objective was to fit Gompertz nonlinear models with normal error, asymmetric normal error, and asymmetric t-Student error to describe the dry matter accumulation of the "Bolinha" bean cultivar. The experiment was conducted at the Federal University of Lavras during the 2006/2007 rainy season in a randomized block design with three replications, using a 5 x 8 factorial scheme. This included five sowing densities (75, 145, 215, 285, and 355 thousand plants per hectare) and eight evaluation periods (13, 23, 33, 43, 53, 63, 73, and 83 days after emergence), and analyzed total dry matter accumulation. The results demonstrated that Gompertz nonlinear models with asymmetric error were suitable for describing dry matter accumulation,

References

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Published

04-11-2024

How to Cite

Lima, K. P. de, Felipe Augusto Fernandes, Ricardo Andrade Lira Rabelo, & Augusto Ramalho de Morais. (2024). Gompertz nonlinear model with asymmetric error to describe the dry matter accumulation of the bean cultivar bolinha. Sigmae, 13(4), 179–186. Retrieved from https://publicacoes.unifal-mg.edu.br/revistas/index.php/sigmae/article/view/2496

Issue

Section

Applied Statistics