Data/hora: 03/06/2024 03:31:57

Provedor de dados: 	75	
País: 	Brazil	
Título: 	Nonlinear regression and plot size to estimate green beans production	
Autores: 	Lucio,Alessandro DC; Nunes,Luis F; Rego,Francisco.	
Data: 	2016-12-01	
Ano: 	2016	
Palavras-chave: 	Phaseolus vulgaris; Growth models; Logistic model; Von Bertalanffy model; Horticulture.	
Resumo: 	ABSTRACT The objectives of this work were to adjust nonlinear regression models for the green beans production and to identify the plot size which provides the best explanation and adjustment to the models. The authors used two field and two protected environment (plastic tunnel) trials in the autumn-winter and spring-summer seasons. The logistic and von Bertalanffy models were adjusted for average weight of green beans accumulated after multiple harvests and with different plot sizes. The models presented similar estimates and the same parameters estimates in all the plot sizes. The logistic model provided estimates closest to the reality, showing the best description performance for the average weight of pods during the productive cycle. In the autumn-winter season, plot size of 14 basic units (28 plants in the cultivation line direction) in the field and of two basic units (four plants in the cultivation line direction) under the plastic tunnel provide a good quality in the models adjustment. In the spring-summer season, the plot sizes are made of six basic units (12 plants in the cultivation line) in the field and seven basic units (14 plants in the cultivation line) under the plastic tunnel.	
Tipo: 	Info:eu-repo/semantics/article	
Idioma: 	Inglês	
Identificador: 	http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-05362016000400507	
Editor: 	Associação Brasileira de Horticultura	
Relação: 	10.1590/s0102-053620160409	
Formato: 	text/html	
Fonte: 	Horticultura Brasileira  v.34 n.4 2016	
Fonte: 	info:eu-repo/semantics/openAccess