| Registro completo |
| Provedor de dados: |
Ciência Rural
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| País: |
Brazil
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| Título: |
Sample size for estimating average productive traits of pigeon pea
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| Autores: |
Facco,Giovani
Cargnelutti Filho,Alberto
Alves,Bruna Mendonça
Burin,Cláudia
Santos,Gustavo Oliveira dos
Kleinpaul,Jéssica Andiara
Neu,Ismael Mario Márcio
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| Data: |
2016-04-01
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| Ano: |
2016
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| Palavras-chave: |
Cajanus cajan L.
Sample size
Experimental precision.
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| 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.
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| Tipo: |
Info:eu-repo/semantics/article
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| Idioma: |
Inglês
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| Identificador: |
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782016000400619
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| Editor: |
Universidade Federal de Santa Maria
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| Relação: |
10.1590/0103-8478cr20150852
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| Formato: |
text/html
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| Fonte: |
Ciência Rural v.46 n.4 2016
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| Direitos: |
info:eu-repo/semantics/openAccess
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