Data/hora: 10/06/2024 10:02:59

Provedor de dados: | 65
País: | Brazil
Título: | Sample size for estimating average productive traits of pigeon pea
Autores: | Facco,Giovani; Cargnelutti Filho,Alberto; Alves,Bruna Mendonça; Burin,Cláudia; Santos,Gustavo Oliveira dos; Kleinpaul,Jéssica Andiara; Neu,Ismael Mario Márcio.
Data: | 2016-04-01
Ano: | 2016
Palavras-chave: | Cajanus cajan L.; Sample size; Experimental precision.
Resumo: | ABSTRACT: The objectives of this study were to determine the sample size, in terms of number of plants, needed to estimate the average values of productive traits of the pigeon pea and to determine whether the sample size needed varies between traits and between crop years. Separate uniformity trials were conducted in 2011/2012 and 2012/2013. In each trial, 360 plants were demarcated, and the fresh and dry masses of roots, stems, and leaves and of shoots and the total plant were evaluated during blossoming for 10 productive traits. Descriptive statistics were calculated, normality and randomness were checked, and the sample size was calculated. There was variability in the sample size between the productive traits and crop years of the pigeon pea culture. To estimate the averages of the productive traits with a 20% maximum estimation error and 95% confidence level, 70 plants are sufficient.
Tipo: | Info:eu-repo/semantics/article
Idioma: | Inglês
Identificador: | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782016000400619
Editor: | Universidade Federal de Santa Maria
Relação: | 10.1590/0103-8478cr20150852
Formato: | text/html
Fonte: | Ciência Rural  v.46 n.4 2016
Fonte: | info:eu-repo/semantics/openAccess